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Finding the Fourth Proportional to 88,030.92, 132,048 and 21,471.24

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Solution

The fourth proportional to 88,030.92, 132,048 and 21,471.24 is: 32,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.92 : 132,048 = 21,471.24 : x
  2. Step 2: Convert to fraction form
    88,030.92/132,048 = 21,471.24/x
  3. Step 3: Cross multiply
    88,030.92x = 132,048 × 21,471.24
  4. Step 4: Simplify right side
    88,030.92x = 2,835,234,299.52
  5. Step 5: Solve for x
    x = 2,835,234,299.52/88,030.92
  6. Step 6: Final answer
    x = 32,207.26

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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.