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Finding the Fourth Proportional to 110,143.90, 151,996.71 and 59,842.54

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Solution

The fourth proportional to 110,143.90, 151,996.71 and 59,842.54 is: 82,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,143.90 : 151,996.71 = 59,842.54 : x
  2. Step 2: Convert to fraction form
    110,143.90/151,996.71 = 59,842.54/x
  3. Step 3: Cross multiply
    110,143.90x = 151,996.71 × 59,842.54
  4. Step 4: Simplify right side
    110,143.90x = 9,095,869,198.04
  5. Step 5: Solve for x
    x = 9,095,869,198.04/110,143.90
  6. Step 6: Final answer
    x = 82,581.69

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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.