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Finding the Fourth Proportional to 376,503.48, 564,832.02 and 127,179.96

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Solution

The fourth proportional to 376,503.48, 564,832.02 and 127,179.96 is: 190,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,503.48 : 564,832.02 = 127,179.96 : x
  2. Step 2: Convert to fraction form
    376,503.48/564,832.02 = 127,179.96/x
  3. Step 3: Cross multiply
    376,503.48x = 564,832.02 × 127,179.96
  4. Step 4: Simplify right side
    376,503.48x = 71,835,313,710.32
  5. Step 5: Solve for x
    x = 71,835,313,710.32/376,503.48
  6. Step 6: Final answer
    x = 190,795.88

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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.