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Finding the Fourth Proportional to 99,053.80, 148,581.02 and 25,181.80

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Solution

The fourth proportional to 99,053.80, 148,581.02 and 25,181.80 is: 37,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,053.80 : 148,581.02 = 25,181.80 : x
  2. Step 2: Convert to fraction form
    99,053.80/148,581.02 = 25,181.80/x
  3. Step 3: Cross multiply
    99,053.80x = 148,581.02 × 25,181.80
  4. Step 4: Simplify right side
    99,053.80x = 3,741,537,529.44
  5. Step 5: Solve for x
    x = 3,741,537,529.44/99,053.80
  6. Step 6: Final answer
    x = 37,772.78

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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.