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Finding the Fourth Proportional to 74,687.56, 112,053.20 and 22,098.40

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Solution

The fourth proportional to 74,687.56, 112,053.20 and 22,098.40 is: 33,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687.56 : 112,053.20 = 22,098.40 : x
  2. Step 2: Convert to fraction form
    74,687.56/112,053.20 = 22,098.40/x
  3. Step 3: Cross multiply
    74,687.56x = 112,053.20 × 22,098.40
  4. Step 4: Simplify right side
    74,687.56x = 2,476,196,434.88
  5. Step 5: Solve for x
    x = 2,476,196,434.88/74,687.56
  6. Step 6: Final answer
    x = 33,154.07

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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.