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Finding the Fourth Proportional to 176,456.76, 264,734.55 and 71,349.54

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Solution

The fourth proportional to 176,456.76, 264,734.55 and 71,349.54 is: 107,044.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,456.76 : 264,734.55 = 71,349.54 : x
  2. Step 2: Convert to fraction form
    176,456.76/264,734.55 = 71,349.54/x
  3. Step 3: Cross multiply
    176,456.76x = 264,734.55 × 71,349.54
  4. Step 4: Simplify right side
    176,456.76x = 18,888,688,364.61
  5. Step 5: Solve for x
    x = 18,888,688,364.61/176,456.76
  6. Step 6: Final answer
    x = 107,044.29

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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.