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Finding the Fourth Proportional to 242,265.78, 363,456.18 and 76,053.78

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Solution

The fourth proportional to 242,265.78, 363,456.18 and 76,053.78 is: 114,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,265.78 : 363,456.18 = 76,053.78 : x
  2. Step 2: Convert to fraction form
    242,265.78/363,456.18 = 76,053.78/x
  3. Step 3: Cross multiply
    242,265.78x = 363,456.18 × 76,053.78
  4. Step 4: Simplify right side
    242,265.78x = 27,642,216,353.36
  5. Step 5: Solve for x
    x = 27,642,216,353.36/242,265.78
  6. Step 6: Final answer
    x = 114,098.72

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1.5x scale

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.