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Finding the Fourth Proportional to 108,392.71, 162,572.65 and 29,513.15

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Solution

The fourth proportional to 108,392.71, 162,572.65 and 29,513.15 is: 44,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,392.71 : 162,572.65 = 29,513.15 : x
  2. Step 2: Convert to fraction form
    108,392.71/162,572.65 = 29,513.15/x
  3. Step 3: Cross multiply
    108,392.71x = 162,572.65 × 29,513.15
  4. Step 4: Simplify right side
    108,392.71x = 4,798,031,005.35
  5. Step 5: Solve for x
    x = 4,798,031,005.35/108,392.71
  6. Step 6: Final answer
    x = 44,265.26

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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.