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Finding the Fourth Proportional to 159,654.22, 220,318.10 and 88,034.22

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Solution

The fourth proportional to 159,654.22, 220,318.10 and 88,034.22 is: 121,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654.22 : 220,318.10 = 88,034.22 : x
  2. Step 2: Convert to fraction form
    159,654.22/220,318.10 = 88,034.22/x
  3. Step 3: Cross multiply
    159,654.22x = 220,318.10 × 88,034.22
  4. Step 4: Simplify right side
    159,654.22x = 19,395,532,085.38
  5. Step 5: Solve for x
    x = 19,395,532,085.38/159,654.22
  6. Step 6: Final answer
    x = 121,484.62

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Double scale
Find fourth proportional to 159,655.22, 220,319.48 and 88,035.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.