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Finding the Fourth Proportional to 186,520.28, 279,863.04 and 97,752.56

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Solution

The fourth proportional to 186,520.28, 279,863.04 and 97,752.56 is: 146,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,520.28 : 279,863.04 = 97,752.56 : x
  2. Step 2: Convert to fraction form
    186,520.28/279,863.04 = 97,752.56/x
  3. Step 3: Cross multiply
    186,520.28x = 279,863.04 × 97,752.56
  4. Step 4: Simplify right side
    186,520.28x = 27,357,328,609.38
  5. Step 5: Solve for x
    x = 27,357,328,609.38/186,520.28
  6. Step 6: Final answer
    x = 146,672.14

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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.