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Finding the Fourth Proportional to 250,475.46, 375,752.07 and 84,250.50

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Solution

The fourth proportional to 250,475.46, 375,752.07 and 84,250.50 is: 126,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,475.46 : 375,752.07 = 84,250.50 : x
  2. Step 2: Convert to fraction form
    250,475.46/375,752.07 = 84,250.50/x
  3. Step 3: Cross multiply
    250,475.46x = 375,752.07 × 84,250.50
  4. Step 4: Simplify right side
    250,475.46x = 31,657,299,773.54
  5. Step 5: Solve for x
    x = 31,657,299,773.54/250,475.46
  6. Step 6: Final answer
    x = 126,388.83

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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.