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Finding the Fourth Proportional to 376,665.32, 564,998.90 and 92,357.12

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Solution

The fourth proportional to 376,665.32, 564,998.90 and 92,357.12 is: 138,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,665.32 : 564,998.90 = 92,357.12 : x
  2. Step 2: Convert to fraction form
    376,665.32/564,998.90 = 92,357.12/x
  3. Step 3: Cross multiply
    376,665.32x = 564,998.90 × 92,357.12
  4. Step 4: Simplify right side
    376,665.32x = 52,181,671,207.17
  5. Step 5: Solve for x
    x = 52,181,671,207.17/376,665.32
  6. Step 6: Final answer
    x = 138,535.91

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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.