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Finding the Fourth Proportional to 88,618.80, 132,947.40 and 29,444.40

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Solution

The fourth proportional to 88,618.80, 132,947.40 and 29,444.40 is: 44,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,618.80 : 132,947.40 = 29,444.40 : x
  2. Step 2: Convert to fraction form
    88,618.80/132,947.40 = 29,444.40/x
  3. Step 3: Cross multiply
    88,618.80x = 132,947.40 × 29,444.40
  4. Step 4: Simplify right side
    88,618.80x = 3,914,556,424.56
  5. Step 5: Solve for x
    x = 3,914,556,424.56/88,618.80
  6. Step 6: Final answer
    x = 44,172.98

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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.