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Finding the Fourth Proportional to 56,146.48, 84,270.72 and 29,873.20

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Solution

The fourth proportional to 56,146.48, 84,270.72 and 29,873.20 is: 44,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,146.48 : 84,270.72 = 29,873.20 : x
  2. Step 2: Convert to fraction form
    56,146.48/84,270.72 = 29,873.20/x
  3. Step 3: Cross multiply
    56,146.48x = 84,270.72 × 29,873.20
  4. Step 4: Simplify right side
    56,146.48x = 2,517,436,072.70
  5. Step 5: Solve for x
    x = 2,517,436,072.70/56,146.48
  6. Step 6: Final answer
    x = 44,836.93

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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.