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Finding the Fourth Proportional to 242,456.70, 363,685.17 and 64,959.18

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Solution

The fourth proportional to 242,456.70, 363,685.17 and 64,959.18 is: 97,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,456.70 : 363,685.17 = 64,959.18 : x
  2. Step 2: Convert to fraction form
    242,456.70/363,685.17 = 64,959.18/x
  3. Step 3: Cross multiply
    242,456.70x = 363,685.17 × 64,959.18
  4. Step 4: Simplify right side
    242,456.70x = 23,624,690,421.36
  5. Step 5: Solve for x
    x = 23,624,690,421.36/242,456.70
  6. Step 6: Final answer
    x = 97,438.80

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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.