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Finding the Fourth Proportional to 88,296.80, 132,518.10 and 40,984.70

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Solution

The fourth proportional to 88,296.80, 132,518.10 and 40,984.70 is: 61,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,296.80 : 132,518.10 = 40,984.70 : x
  2. Step 2: Convert to fraction form
    88,296.80/132,518.10 = 40,984.70/x
  3. Step 3: Cross multiply
    88,296.80x = 132,518.10 × 40,984.70
  4. Step 4: Simplify right side
    88,296.80x = 5,431,214,573.07
  5. Step 5: Solve for x
    x = 5,431,214,573.07/88,296.80
  6. Step 6: Final answer
    x = 61,510.89

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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.