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Finding the Fourth Proportional to 98,822.70, 148,244.85 and 95,712.30

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Solution

The fourth proportional to 98,822.70, 148,244.85 and 95,712.30 is: 143,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,822.70 : 148,244.85 = 95,712.30 : x
  2. Step 2: Convert to fraction form
    98,822.70/148,244.85 = 95,712.30/x
  3. Step 3: Cross multiply
    98,822.70x = 148,244.85 × 95,712.30
  4. Step 4: Simplify right side
    98,822.70x = 14,188,855,556.66
  5. Step 5: Solve for x
    x = 14,188,855,556.66/98,822.70
  6. Step 6: Final answer
    x = 143,578.91

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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.