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Finding the Fourth Proportional to 77,591.98, 116,158.33 and 47,914.39

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Solution

The fourth proportional to 77,591.98, 116,158.33 and 47,914.39 is: 71,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,591.98 : 116,158.33 = 47,914.39 : x
  2. Step 2: Convert to fraction form
    77,591.98/116,158.33 = 47,914.39/x
  3. Step 3: Cross multiply
    77,591.98x = 116,158.33 × 47,914.39
  4. Step 4: Simplify right side
    77,591.98x = 5,565,655,525.37
  5. Step 5: Solve for x
    x = 5,565,655,525.37/77,591.98
  6. Step 6: Final answer
    x = 71,729.78

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1.5x scale

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.