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Finding the Fourth Proportional to 252,191.76, 378,377.98 and 108,037.11

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Solution

The fourth proportional to 252,191.76, 378,377.98 and 108,037.11 is: 162,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,191.76 : 378,377.98 = 108,037.11 : x
  2. Step 2: Convert to fraction form
    252,191.76/378,377.98 = 108,037.11/x
  3. Step 3: Cross multiply
    252,191.76x = 378,377.98 × 108,037.11
  4. Step 4: Simplify right side
    252,191.76x = 40,878,863,446.84
  5. Step 5: Solve for x
    x = 40,878,863,446.84/252,191.76
  6. Step 6: Final answer
    x = 162,094.37

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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.