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Finding the Fourth Proportional to 75,223.52, 112,812.56 and 22,619.04

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Solution

The fourth proportional to 75,223.52, 112,812.56 and 22,619.04 is: 33,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,223.52 : 112,812.56 = 22,619.04 : x
  2. Step 2: Convert to fraction form
    75,223.52/112,812.56 = 22,619.04/x
  3. Step 3: Cross multiply
    75,223.52x = 112,812.56 × 22,619.04
  4. Step 4: Simplify right side
    75,223.52x = 2,551,711,807.14
  5. Step 5: Solve for x
    x = 2,551,711,807.14/75,223.52
  6. Step 6: Final answer
    x = 33,921.73

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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.