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Finding the Fourth Proportional to 186,250.80, 279,419.58 and 53,132.88

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Solution

The fourth proportional to 186,250.80, 279,419.58 and 53,132.88 is: 79,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,250.80 : 279,419.58 = 53,132.88 : x
  2. Step 2: Convert to fraction form
    186,250.80/279,419.58 = 53,132.88/x
  3. Step 3: Cross multiply
    186,250.80x = 279,419.58 × 53,132.88
  4. Step 4: Simplify right side
    186,250.80x = 14,846,367,013.79
  5. Step 5: Solve for x
    x = 14,846,367,013.79/186,250.80
  6. Step 6: Final answer
    x = 79,711.70

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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.