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Finding the Fourth Proportional to 249,593.92, 374,335.68 and 72,062.40

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Solution

The fourth proportional to 249,593.92, 374,335.68 and 72,062.40 is: 108,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,593.92 : 374,335.68 = 72,062.40 : x
  2. Step 2: Convert to fraction form
    249,593.92/374,335.68 = 72,062.40/x
  3. Step 3: Cross multiply
    249,593.92x = 374,335.68 × 72,062.40
  4. Step 4: Simplify right side
    249,593.92x = 26,975,527,506.43
  5. Step 5: Solve for x
    x = 26,975,527,506.43/249,593.92
  6. Step 6: Final answer
    x = 108,077.66

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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.