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Finding the Fourth Proportional to 67,263.60, 101,114.10 and 47,677.80

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Solution

The fourth proportional to 67,263.60, 101,114.10 and 47,677.80 is: 71,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,263.60 : 101,114.10 = 47,677.80 : x
  2. Step 2: Convert to fraction form
    67,263.60/101,114.10 = 47,677.80/x
  3. Step 3: Cross multiply
    67,263.60x = 101,114.10 × 47,677.80
  4. Step 4: Simplify right side
    67,263.60x = 4,820,897,836.98
  5. Step 5: Solve for x
    x = 4,820,897,836.98/67,263.60
  6. Step 6: Final answer
    x = 71,671.72

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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.