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Finding the Fourth Proportional to 242,215.52, 363,366.72 and 100,060.80

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Solution

The fourth proportional to 242,215.52, 363,366.72 and 100,060.80 is: 150,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,215.52 : 363,366.72 = 100,060.80 : x
  2. Step 2: Convert to fraction form
    242,215.52/363,366.72 = 100,060.80/x
  3. Step 3: Cross multiply
    242,215.52x = 363,366.72 × 100,060.80
  4. Step 4: Simplify right side
    242,215.52x = 36,358,764,696.58
  5. Step 5: Solve for x
    x = 36,358,764,696.58/242,215.52
  6. Step 6: Final answer
    x = 150,109.15

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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.