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Finding the Fourth Proportional to 88,334.80, 132,329.40 and 60,341.20

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Solution

The fourth proportional to 88,334.80, 132,329.40 and 60,341.20 is: 90,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,334.80 : 132,329.40 = 60,341.20 : x
  2. Step 2: Convert to fraction form
    88,334.80/132,329.40 = 60,341.20/x
  3. Step 3: Cross multiply
    88,334.80x = 132,329.40 × 60,341.20
  4. Step 4: Simplify right side
    88,334.80x = 7,984,914,791.28
  5. Step 5: Solve for x
    x = 7,984,914,791.28/88,334.80
  6. Step 6: Final answer
    x = 90,393.76

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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.