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Finding the Fourth Proportional to 242,060.40, 363,139.20 and 73,591.20

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Solution

The fourth proportional to 242,060.40, 363,139.20 and 73,591.20 is: 110,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,060.40 : 363,139.20 = 73,591.20 : x
  2. Step 2: Convert to fraction form
    242,060.40/363,139.20 = 73,591.20/x
  3. Step 3: Cross multiply
    242,060.40x = 363,139.20 × 73,591.20
  4. Step 4: Simplify right side
    242,060.40x = 26,723,849,495.04
  5. Step 5: Solve for x
    x = 26,723,849,495.04/242,060.40
  6. Step 6: Final answer
    x = 110,401.58

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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.