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Finding the Fourth Proportional to 179,481.62, 247,681.46 and 97,810.61

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Solution

The fourth proportional to 179,481.62, 247,681.46 and 97,810.61 is: 134,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,481.62 : 247,681.46 = 97,810.61 : x
  2. Step 2: Convert to fraction form
    179,481.62/247,681.46 = 97,810.61/x
  3. Step 3: Cross multiply
    179,481.62x = 247,681.46 × 97,810.61
  4. Step 4: Simplify right side
    179,481.62x = 24,225,872,960.83
  5. Step 5: Solve for x
    x = 24,225,872,960.83/179,481.62
  6. Step 6: Final answer
    x = 134,976.91

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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.