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Finding the Fourth Proportional to 186,660.60, 257,591.88 and 101,777.66

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Solution

The fourth proportional to 186,660.60, 257,591.88 and 101,777.66 is: 140,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,660.60 : 257,591.88 = 101,777.66 : x
  2. Step 2: Convert to fraction form
    186,660.60/257,591.88 = 101,777.66/x
  3. Step 3: Cross multiply
    186,660.60x = 257,591.88 × 101,777.66
  4. Step 4: Simplify right side
    186,660.60x = 26,217,098,781.40
  5. Step 5: Solve for x
    x = 26,217,098,781.40/186,660.60
  6. Step 6: Final answer
    x = 140,453.31

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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.