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Finding the Fourth Proportional to 247,329.61, 341,305.62 and 134,149.93

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Solution

The fourth proportional to 247,329.61, 341,305.62 and 134,149.93 is: 185,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,329.61 : 341,305.62 = 134,149.93 : x
  2. Step 2: Convert to fraction form
    247,329.61/341,305.62 = 134,149.93/x
  3. Step 3: Cross multiply
    247,329.61x = 341,305.62 × 134,149.93
  4. Step 4: Simplify right side
    247,329.61x = 45,786,125,031.61
  5. Step 5: Solve for x
    x = 45,786,125,031.61/247,329.61
  6. Step 6: Final answer
    x = 185,121.89

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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.