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Finding the Fourth Proportional to 178,706.99, 267,981.75 and 83,964.13

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Solution

The fourth proportional to 178,706.99, 267,981.75 and 83,964.13 is: 125,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,706.99 : 267,981.75 = 83,964.13 : x
  2. Step 2: Convert to fraction form
    178,706.99/267,981.75 = 83,964.13/x
  3. Step 3: Cross multiply
    178,706.99x = 267,981.75 × 83,964.13
  4. Step 4: Simplify right side
    178,706.99x = 22,500,853,824.67
  5. Step 5: Solve for x
    x = 22,500,853,824.67/178,706.99
  6. Step 6: Final answer
    x = 125,909.20

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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.