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Finding the Fourth Proportional to 237,808.68, 356,767.92 and 80,033.28

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Solution

The fourth proportional to 237,808.68, 356,767.92 and 80,033.28 is: 120,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,808.68 : 356,767.92 = 80,033.28 : x
  2. Step 2: Convert to fraction form
    237,808.68/356,767.92 = 80,033.28/x
  3. Step 3: Cross multiply
    237,808.68x = 356,767.92 × 80,033.28
  4. Step 4: Simplify right side
    237,808.68x = 28,553,306,836.38
  5. Step 5: Solve for x
    x = 28,553,306,836.38/237,808.68
  6. Step 6: Final answer
    x = 120,068.40

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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.