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Finding the Fourth Proportional to 98,817, 148,240.86 and 33,168.36

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Solution

The fourth proportional to 98,817, 148,240.86 and 33,168.36 is: 49,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,817 : 148,240.86 = 33,168.36 : x
  2. Step 2: Convert to fraction form
    98,817/148,240.86 = 33,168.36/x
  3. Step 3: Cross multiply
    98,817x = 148,240.86 × 33,168.36
  4. Step 4: Simplify right side
    98,817x = 4,916,906,211.19
  5. Step 5: Solve for x
    x = 4,916,906,211.19/98,817
  6. Step 6: Final answer
    x = 49,757.70

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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.