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Finding the Fourth Proportional to 75,152.94, 112,731.48 and 22,562.43

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Solution

The fourth proportional to 75,152.94, 112,731.48 and 22,562.43 is: 33,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,152.94 : 112,731.48 = 22,562.43 : x
  2. Step 2: Convert to fraction form
    75,152.94/112,731.48 = 22,562.43/x
  3. Step 3: Cross multiply
    75,152.94x = 112,731.48 × 22,562.43
  4. Step 4: Simplify right side
    75,152.94x = 2,543,496,126.30
  5. Step 5: Solve for x
    x = 2,543,496,126.30/75,152.94
  6. Step 6: Final answer
    x = 33,844.27

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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.