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Finding the Fourth Proportional to 88,398.96, 132,602.81 and 25,228.40

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Solution

The fourth proportional to 88,398.96, 132,602.81 and 25,228.40 is: 37,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,398.96 : 132,602.81 = 25,228.40 : x
  2. Step 2: Convert to fraction form
    88,398.96/132,602.81 = 25,228.40/x
  3. Step 3: Cross multiply
    88,398.96x = 132,602.81 × 25,228.40
  4. Step 4: Simplify right side
    88,398.96x = 3,345,356,731.80
  5. Step 5: Solve for x
    x = 3,345,356,731.80/88,398.96
  6. Step 6: Final answer
    x = 37,843.85

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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.