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Finding the Fourth Proportional to 88,511.40, 132,621.30 and 44,042.40

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Solution

The fourth proportional to 88,511.40, 132,621.30 and 44,042.40 is: 65,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.40 : 132,621.30 = 44,042.40 : x
  2. Step 2: Convert to fraction form
    88,511.40/132,621.30 = 44,042.40/x
  3. Step 3: Cross multiply
    88,511.40x = 132,621.30 × 44,042.40
  4. Step 4: Simplify right side
    88,511.40x = 5,840,960,343.12
  5. Step 5: Solve for x
    x = 5,840,960,343.12/88,511.40
  6. Step 6: Final answer
    x = 65,991.05

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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.