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Finding the Fourth Proportional to 164,717.40, 247,080.90 and 59,517.72

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Solution

The fourth proportional to 164,717.40, 247,080.90 and 59,517.72 is: 89,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,717.40 : 247,080.90 = 59,517.72 : x
  2. Step 2: Convert to fraction form
    164,717.40/247,080.90 = 59,517.72/x
  3. Step 3: Cross multiply
    164,717.40x = 247,080.90 × 59,517.72
  4. Step 4: Simplify right side
    164,717.40x = 14,705,691,823.55
  5. Step 5: Solve for x
    x = 14,705,691,823.55/164,717.40
  6. Step 6: Final answer
    x = 89,278.31

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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.