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Finding the Fourth Proportional to 192,773.59, 289,171.72 and 74,445.55

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Solution

The fourth proportional to 192,773.59, 289,171.72 and 74,445.55 is: 111,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,773.59 : 289,171.72 = 74,445.55 : x
  2. Step 2: Convert to fraction form
    192,773.59/289,171.72 = 74,445.55/x
  3. Step 3: Cross multiply
    192,773.59x = 289,171.72 × 74,445.55
  4. Step 4: Simplify right side
    192,773.59x = 21,527,547,109.97
  5. Step 5: Solve for x
    x = 21,527,547,109.97/192,773.59
  6. Step 6: Final answer
    x = 111,672.70

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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.