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Finding the Fourth Proportional to 100,724.78, 151,062.04 and 29,633.27

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Solution

The fourth proportional to 100,724.78, 151,062.04 and 29,633.27 is: 44,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724.78 : 151,062.04 = 29,633.27 : x
  2. Step 2: Convert to fraction form
    100,724.78/151,062.04 = 29,633.27/x
  3. Step 3: Cross multiply
    100,724.78x = 151,062.04 × 29,633.27
  4. Step 4: Simplify right side
    100,724.78x = 4,476,461,314.59
  5. Step 5: Solve for x
    x = 4,476,461,314.59/100,724.78
  6. Step 6: Final answer
    x = 44,442.50

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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.