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Finding the Fourth Proportional to 186,217.92, 279,258.84 and 67,854.24

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Solution

The fourth proportional to 186,217.92, 279,258.84 and 67,854.24 is: 101,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,217.92 : 279,258.84 = 67,854.24 : x
  2. Step 2: Convert to fraction form
    186,217.92/279,258.84 = 67,854.24/x
  3. Step 3: Cross multiply
    186,217.92x = 279,258.84 × 67,854.24
  4. Step 4: Simplify right side
    186,217.92x = 18,948,896,351.48
  5. Step 5: Solve for x
    x = 18,948,896,351.48/186,217.92
  6. Step 6: Final answer
    x = 101,756.57

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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.