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Finding the Fourth Proportional to 110,532.16, 165,847.20 and 57,929.08

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Solution

The fourth proportional to 110,532.16, 165,847.20 and 57,929.08 is: 86,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,532.16 : 165,847.20 = 57,929.08 : x
  2. Step 2: Convert to fraction form
    110,532.16/165,847.20 = 57,929.08/x
  3. Step 3: Cross multiply
    110,532.16x = 165,847.20 × 57,929.08
  4. Step 4: Simplify right side
    110,532.16x = 9,607,375,716.58
  5. Step 5: Solve for x
    x = 9,607,375,716.58/110,532.16
  6. Step 6: Final answer
    x = 86,919.28

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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.