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Finding the Fourth Proportional to 468,174.32, 702,301.98 and 131,220.80

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Solution

The fourth proportional to 468,174.32, 702,301.98 and 131,220.80 is: 196,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,174.32 : 702,301.98 = 131,220.80 : x
  2. Step 2: Convert to fraction form
    468,174.32/702,301.98 = 131,220.80/x
  3. Step 3: Cross multiply
    468,174.32x = 702,301.98 × 131,220.80
  4. Step 4: Simplify right side
    468,174.32x = 92,156,627,657.18
  5. Step 5: Solve for x
    x = 92,156,627,657.18/468,174.32
  6. Step 6: Final answer
    x = 196,842.55

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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.