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Finding the Fourth Proportional to 88,371.82, 132,461.32 and 43,424.11

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Solution

The fourth proportional to 88,371.82, 132,461.32 and 43,424.11 is: 65,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,371.82 : 132,461.32 = 43,424.11 : x
  2. Step 2: Convert to fraction form
    88,371.82/132,461.32 = 43,424.11/x
  3. Step 3: Cross multiply
    88,371.82x = 132,461.32 × 43,424.11
  4. Step 4: Simplify right side
    88,371.82x = 5,752,014,930.43
  5. Step 5: Solve for x
    x = 5,752,014,930.43/88,371.82
  6. Step 6: Final answer
    x = 65,088.79

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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.