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Finding the Fourth Proportional to 92,119.98, 138,179.98 and 25,560.12

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Solution

The fourth proportional to 92,119.98, 138,179.98 and 25,560.12 is: 38,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,119.98 : 138,179.98 = 25,560.12 : x
  2. Step 2: Convert to fraction form
    92,119.98/138,179.98 = 25,560.12/x
  3. Step 3: Cross multiply
    92,119.98x = 138,179.98 × 25,560.12
  4. Step 4: Simplify right side
    92,119.98x = 3,531,896,870.40
  5. Step 5: Solve for x
    x = 3,531,896,870.40/92,119.98
  6. Step 6: Final answer
    x = 38,340.18

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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.