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Finding the Fourth Proportional to 192,173.16, 288,275.10 and 67,542.12

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Solution

The fourth proportional to 192,173.16, 288,275.10 and 67,542.12 is: 101,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,173.16 : 288,275.10 = 67,542.12 : x
  2. Step 2: Convert to fraction form
    192,173.16/288,275.10 = 67,542.12/x
  3. Step 3: Cross multiply
    192,173.16x = 288,275.10 × 67,542.12
  4. Step 4: Simplify right side
    192,173.16x = 19,470,711,397.21
  5. Step 5: Solve for x
    x = 19,470,711,397.21/192,173.16
  6. Step 6: Final answer
    x = 101,318.58

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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.