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Finding the Fourth Proportional to 467,445.90, 701,168.86 and 112,459.92

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Solution

The fourth proportional to 467,445.90, 701,168.86 and 112,459.92 is: 168,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,445.90 : 701,168.86 = 112,459.92 : x
  2. Step 2: Convert to fraction form
    467,445.90/701,168.86 = 112,459.92/x
  3. Step 3: Cross multiply
    467,445.90x = 701,168.86 × 112,459.92
  4. Step 4: Simplify right side
    467,445.90x = 78,853,391,413.28
  5. Step 5: Solve for x
    x = 78,853,391,413.28/467,445.90
  6. Step 6: Final answer
    x = 168,689.88

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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.