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Finding the Fourth Proportional to 240,875.67, 361,373.43 and 72,398.70

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Solution

The fourth proportional to 240,875.67, 361,373.43 and 72,398.70 is: 108,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,875.67 : 361,373.43 = 72,398.70 : x
  2. Step 2: Convert to fraction form
    240,875.67/361,373.43 = 72,398.70/x
  3. Step 3: Cross multiply
    240,875.67x = 361,373.43 × 72,398.70
  4. Step 4: Simplify right side
    240,875.67x = 26,162,966,546.54
  5. Step 5: Solve for x
    x = 26,162,966,546.54/240,875.67
  6. Step 6: Final answer
    x = 108,616.06

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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.