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Finding the Fourth Proportional to 88,295.70, 132,328.35 and 40,905.30

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Solution

The fourth proportional to 88,295.70, 132,328.35 and 40,905.30 is: 61,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,295.70 : 132,328.35 = 40,905.30 : x
  2. Step 2: Convert to fraction form
    88,295.70/132,328.35 = 40,905.30/x
  3. Step 3: Cross multiply
    88,295.70x = 132,328.35 × 40,905.30
  4. Step 4: Simplify right side
    88,295.70x = 5,412,930,855.26
  5. Step 5: Solve for x
    x = 5,412,930,855.26/88,295.70
  6. Step 6: Final answer
    x = 61,304.58

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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.