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Finding the Fourth Proportional to 124,822.62, 187,261.62 and 36,069.40

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Solution

The fourth proportional to 124,822.62, 187,261.62 and 36,069.40 is: 54,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,822.62 : 187,261.62 = 36,069.40 : x
  2. Step 2: Convert to fraction form
    124,822.62/187,261.62 = 36,069.40/x
  3. Step 3: Cross multiply
    124,822.62x = 187,261.62 × 36,069.40
  4. Step 4: Simplify right side
    124,822.62x = 6,754,414,578.14
  5. Step 5: Solve for x
    x = 6,754,414,578.14/124,822.62
  6. Step 6: Final answer
    x = 54,112.10

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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.