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Finding the Fourth Proportional to 108,074.43, 162,041.92 and 44,938.13

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Solution

The fourth proportional to 108,074.43, 162,041.92 and 44,938.13 is: 67,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,074.43 : 162,041.92 = 44,938.13 : x
  2. Step 2: Convert to fraction form
    108,074.43/162,041.92 = 44,938.13/x
  3. Step 3: Cross multiply
    108,074.43x = 162,041.92 × 44,938.13
  4. Step 4: Simplify right side
    108,074.43x = 7,281,859,943.85
  5. Step 5: Solve for x
    x = 7,281,859,943.85/108,074.43
  6. Step 6: Final answer
    x = 67,378.19

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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.