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Finding the Fourth Proportional to 160,080.72, 220,904.20 and 88,459.19

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Solution

The fourth proportional to 160,080.72, 220,904.20 and 88,459.19 is: 122,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,080.72 : 220,904.20 = 88,459.19 : x
  2. Step 2: Convert to fraction form
    160,080.72/220,904.20 = 88,459.19/x
  3. Step 3: Cross multiply
    160,080.72x = 220,904.20 × 88,459.19
  4. Step 4: Simplify right side
    160,080.72x = 19,541,006,599.60
  5. Step 5: Solve for x
    x = 19,541,006,599.60/160,080.72
  6. Step 6: Final answer
    x = 122,069.71

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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.