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Finding the Fourth Proportional to 247,610.15, 341,696.70 and 134,432.90

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Solution

The fourth proportional to 247,610.15, 341,696.70 and 134,432.90 is: 185,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,610.15 : 341,696.70 = 134,432.90 : x
  2. Step 2: Convert to fraction form
    247,610.15/341,696.70 = 134,432.90/x
  3. Step 3: Cross multiply
    247,610.15x = 341,696.70 × 134,432.90
  4. Step 4: Simplify right side
    247,610.15x = 45,935,276,592.95
  5. Step 5: Solve for x
    x = 45,935,276,592.95/247,610.15
  6. Step 6: Final answer
    x = 185,514.52

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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.