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Finding the Fourth Proportional to 173,654.76, 260,502.92 and 61,311.88

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Solution

The fourth proportional to 173,654.76, 260,502.92 and 61,311.88 is: 91,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,654.76 : 260,502.92 = 61,311.88 : x
  2. Step 2: Convert to fraction form
    173,654.76/260,502.92 = 61,311.88/x
  3. Step 3: Cross multiply
    173,654.76x = 260,502.92 × 61,311.88
  4. Step 4: Simplify right side
    173,654.76x = 15,971,923,770.69
  5. Step 5: Solve for x
    x = 15,971,923,770.69/173,654.76
  6. Step 6: Final answer
    x = 91,975.16

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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.