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Finding the Fourth Proportional to 253,167.78, 379,528.17 and 95,506.95

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Solution

The fourth proportional to 253,167.78, 379,528.17 and 95,506.95 is: 143,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,167.78 : 379,528.17 = 95,506.95 : x
  2. Step 2: Convert to fraction form
    253,167.78/379,528.17 = 95,506.95/x
  3. Step 3: Cross multiply
    253,167.78x = 379,528.17 × 95,506.95
  4. Step 4: Simplify right side
    253,167.78x = 36,247,577,955.78
  5. Step 5: Solve for x
    x = 36,247,577,955.78/253,167.78
  6. Step 6: Final answer
    x = 143,176.11

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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.