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Finding the Fourth Proportional to 376,195.38, 564,325.87 and 123,400.04

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Solution

The fourth proportional to 376,195.38, 564,325.87 and 123,400.04 is: 185,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,195.38 : 564,325.87 = 123,400.04 : x
  2. Step 2: Convert to fraction form
    376,195.38/564,325.87 = 123,400.04/x
  3. Step 3: Cross multiply
    376,195.38x = 564,325.87 × 123,400.04
  4. Step 4: Simplify right side
    376,195.38x = 69,637,834,931.03
  5. Step 5: Solve for x
    x = 69,637,834,931.03/376,195.38
  6. Step 6: Final answer
    x = 185,110.82

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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.