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Finding the Fourth Proportional to 115,044.62, 158,710.33 and 67,276.90

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Solution

The fourth proportional to 115,044.62, 158,710.33 and 67,276.90 is: 92,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,044.62 : 158,710.33 = 67,276.90 : x
  2. Step 2: Convert to fraction form
    115,044.62/158,710.33 = 67,276.90/x
  3. Step 3: Cross multiply
    115,044.62x = 158,710.33 × 67,276.90
  4. Step 4: Simplify right side
    115,044.62x = 10,677,539,000.38
  5. Step 5: Solve for x
    x = 10,677,539,000.38/115,044.62
  6. Step 6: Final answer
    x = 92,812.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.