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Finding the Fourth Proportional to 247,144.56, 341,095.84 and 156,508.80

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Solution

The fourth proportional to 247,144.56, 341,095.84 and 156,508.80 is: 216,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,144.56 : 341,095.84 = 156,508.80 : x
  2. Step 2: Convert to fraction form
    247,144.56/341,095.84 = 156,508.80/x
  3. Step 3: Cross multiply
    247,144.56x = 341,095.84 × 156,508.80
  4. Step 4: Simplify right side
    247,144.56x = 53,384,500,603.39
  5. Step 5: Solve for x
    x = 53,384,500,603.39/247,144.56
  6. Step 6: Final answer
    x = 216,005.16

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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.