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Finding the Fourth Proportional to 191,958.53, 287,522.24 and 125,196.12

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Solution

The fourth proportional to 191,958.53, 287,522.24 and 125,196.12 is: 187,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,958.53 : 287,522.24 = 125,196.12 : x
  2. Step 2: Convert to fraction form
    191,958.53/287,522.24 = 125,196.12/x
  3. Step 3: Cross multiply
    191,958.53x = 287,522.24 × 125,196.12
  4. Step 4: Simplify right side
    191,958.53x = 35,996,668,235.73
  5. Step 5: Solve for x
    x = 35,996,668,235.73/191,958.53
  6. Step 6: Final answer
    x = 187,523.15

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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.