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Finding the Fourth Proportional to 110,489.97, 165,784.17 and 57,887.16

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Solution

The fourth proportional to 110,489.97, 165,784.17 and 57,887.16 is: 86,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,489.97 : 165,784.17 = 57,887.16 : x
  2. Step 2: Convert to fraction form
    110,489.97/165,784.17 = 57,887.16/x
  3. Step 3: Cross multiply
    110,489.97x = 165,784.17 × 57,887.16
  4. Step 4: Simplify right side
    110,489.97x = 9,596,774,044.03
  5. Step 5: Solve for x
    x = 9,596,774,044.03/110,489.97
  6. Step 6: Final answer
    x = 86,856.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.