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Finding the Fourth Proportional to 249,565.86, 374,337.86 and 72,080.28

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Solution

The fourth proportional to 249,565.86, 374,337.86 and 72,080.28 is: 108,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,565.86 : 374,337.86 = 72,080.28 : x
  2. Step 2: Convert to fraction form
    249,565.86/374,337.86 = 72,080.28/x
  3. Step 3: Cross multiply
    249,565.86x = 374,337.86 × 72,080.28
  4. Step 4: Simplify right side
    249,565.86x = 26,982,377,403.00
  5. Step 5: Solve for x
    x = 26,982,377,403.00/249,565.86
  6. Step 6: Final answer
    x = 108,117.26

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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.