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Finding the Fourth Proportional to 372,472.50, 558,796.32 and 123,154.50

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Solution

The fourth proportional to 372,472.50, 558,796.32 and 123,154.50 is: 184,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,472.50 : 558,796.32 = 123,154.50 : x
  2. Step 2: Convert to fraction form
    372,472.50/558,796.32 = 123,154.50/x
  3. Step 3: Cross multiply
    372,472.50x = 558,796.32 × 123,154.50
  4. Step 4: Simplify right side
    372,472.50x = 68,818,281,391.44
  5. Step 5: Solve for x
    x = 68,818,281,391.44/372,472.50
  6. Step 6: Final answer
    x = 184,760.70

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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.