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Finding the Fourth Proportional to 164,747.40, 247,121.10 and 98,262.60

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Solution

The fourth proportional to 164,747.40, 247,121.10 and 98,262.60 is: 147,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,747.40 : 247,121.10 = 98,262.60 : x
  2. Step 2: Convert to fraction form
    164,747.40/247,121.10 = 98,262.60/x
  3. Step 3: Cross multiply
    164,747.40x = 247,121.10 × 98,262.60
  4. Step 4: Simplify right side
    164,747.40x = 24,282,761,800.86
  5. Step 5: Solve for x
    x = 24,282,761,800.86/164,747.40
  6. Step 6: Final answer
    x = 147,393.90

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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.