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Finding the Fourth Proportional to 75,313.04, 112,890.72 and 25,375.88

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Solution

The fourth proportional to 75,313.04, 112,890.72 and 25,375.88 is: 38,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,313.04 : 112,890.72 = 25,375.88 : x
  2. Step 2: Convert to fraction form
    75,313.04/112,890.72 = 25,375.88/x
  3. Step 3: Cross multiply
    75,313.04x = 112,890.72 × 25,375.88
  4. Step 4: Simplify right side
    75,313.04x = 2,864,701,363.83
  5. Step 5: Solve for x
    x = 2,864,701,363.83/75,313.04
  6. Step 6: Final answer
    x = 38,037.26

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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.