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Finding the Fourth Proportional to 186,065.28, 279,097.89 and 54,737.28

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Solution

The fourth proportional to 186,065.28, 279,097.89 and 54,737.28 is: 82,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,065.28 : 279,097.89 = 54,737.28 : x
  2. Step 2: Convert to fraction form
    186,065.28/279,097.89 = 54,737.28/x
  3. Step 3: Cross multiply
    186,065.28x = 279,097.89 × 54,737.28
  4. Step 4: Simplify right side
    186,065.28x = 15,277,059,352.34
  5. Step 5: Solve for x
    x = 15,277,059,352.34/186,065.28
  6. Step 6: Final answer
    x = 82,105.91

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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.