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Finding the Fourth Proportional to 242,607.58, 363,966.72 and 74,151.85

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Solution

The fourth proportional to 242,607.58, 363,966.72 and 74,151.85 is: 111,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,607.58 : 363,966.72 = 74,151.85 : x
  2. Step 2: Convert to fraction form
    242,607.58/363,966.72 = 74,151.85/x
  3. Step 3: Cross multiply
    242,607.58x = 363,966.72 × 74,151.85
  4. Step 4: Simplify right side
    242,607.58x = 26,988,805,626.43
  5. Step 5: Solve for x
    x = 26,988,805,626.43/242,607.58
  6. Step 6: Final answer
    x = 111,244.69

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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.