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Finding the Fourth Proportional to 88,237.80, 132,356.70 and 73,204.20

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Solution

The fourth proportional to 88,237.80, 132,356.70 and 73,204.20 is: 109,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,237.80 : 132,356.70 = 73,204.20 : x
  2. Step 2: Convert to fraction form
    88,237.80/132,356.70 = 73,204.20/x
  3. Step 3: Cross multiply
    88,237.80x = 132,356.70 × 73,204.20
  4. Step 4: Simplify right side
    88,237.80x = 9,689,066,338.14
  5. Step 5: Solve for x
    x = 9,689,066,338.14/88,237.80
  6. Step 6: Final answer
    x = 109,806.30

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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.