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Finding the Fourth Proportional to 176,515.78, 243,593.40 and 95,943.50

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Solution

The fourth proportional to 176,515.78, 243,593.40 and 95,943.50 is: 132,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,515.78 : 243,593.40 = 95,943.50 : x
  2. Step 2: Convert to fraction form
    176,515.78/243,593.40 = 95,943.50/x
  3. Step 3: Cross multiply
    176,515.78x = 243,593.40 × 95,943.50
  4. Step 4: Simplify right side
    176,515.78x = 23,371,203,372.90
  5. Step 5: Solve for x
    x = 23,371,203,372.90/176,515.78
  6. Step 6: Final answer
    x = 132,402.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.