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Finding the Fourth Proportional to 252,806.40, 379,140.48 and 95,022.72

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Solution

The fourth proportional to 252,806.40, 379,140.48 and 95,022.72 is: 142,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,806.40 : 379,140.48 = 95,022.72 : x
  2. Step 2: Convert to fraction form
    252,806.40/379,140.48 = 95,022.72/x
  3. Step 3: Cross multiply
    252,806.40x = 379,140.48 × 95,022.72
  4. Step 4: Simplify right side
    252,806.40x = 36,026,959,671.71
  5. Step 5: Solve for x
    x = 36,026,959,671.71/252,806.40
  6. Step 6: Final answer
    x = 142,508.10

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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.