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Finding the Fourth Proportional to 90,694.70, 125,193.57 and 60,468.98

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Solution

The fourth proportional to 90,694.70, 125,193.57 and 60,468.98 is: 83,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,694.70 : 125,193.57 = 60,468.98 : x
  2. Step 2: Convert to fraction form
    90,694.70/125,193.57 = 60,468.98/x
  3. Step 3: Cross multiply
    90,694.70x = 125,193.57 × 60,468.98
  4. Step 4: Simplify right side
    90,694.70x = 7,570,326,627.73
  5. Step 5: Solve for x
    x = 7,570,326,627.73/90,694.70
  6. Step 6: Final answer
    x = 83,470.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.