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Finding the Fourth Proportional to 164,711.60, 247,079.55 and 59,516.90

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Solution

The fourth proportional to 164,711.60, 247,079.55 and 59,516.90 is: 89,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,711.60 : 247,079.55 = 59,516.90 : x
  2. Step 2: Convert to fraction form
    164,711.60/247,079.55 = 59,516.90/x
  3. Step 3: Cross multiply
    164,711.60x = 247,079.55 × 59,516.90
  4. Step 4: Simplify right side
    164,711.60x = 14,705,408,869.40
  5. Step 5: Solve for x
    x = 14,705,408,869.40/164,711.60
  6. Step 6: Final answer
    x = 89,279.74

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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.