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Finding the Fourth Proportional to 108,779.43, 150,125.12 and 63,472.01

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Solution

The fourth proportional to 108,779.43, 150,125.12 and 63,472.01 is: 87,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,779.43 : 150,125.12 = 63,472.01 : x
  2. Step 2: Convert to fraction form
    108,779.43/150,125.12 = 63,472.01/x
  3. Step 3: Cross multiply
    108,779.43x = 150,125.12 × 63,472.01
  4. Step 4: Simplify right side
    108,779.43x = 9,528,742,612.87
  5. Step 5: Solve for x
    x = 9,528,742,612.87/108,779.43
  6. Step 6: Final answer
    x = 87,596.92

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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.