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Finding the Fourth Proportional to 105,997.97, 146,277.95 and 58,251.20

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Solution

The fourth proportional to 105,997.97, 146,277.95 and 58,251.20 is: 80,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,997.97 : 146,277.95 = 58,251.20 : x
  2. Step 2: Convert to fraction form
    105,997.97/146,277.95 = 58,251.20/x
  3. Step 3: Cross multiply
    105,997.97x = 146,277.95 × 58,251.20
  4. Step 4: Simplify right side
    105,997.97x = 8,520,865,098.39
  5. Step 5: Solve for x
    x = 8,520,865,098.39/105,997.97
  6. Step 6: Final answer
    x = 80,387.06

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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.