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Finding the Fourth Proportional to 88,625.80, 132,938.70 and 60,632.20

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Solution

The fourth proportional to 88,625.80, 132,938.70 and 60,632.20 is: 90,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,625.80 : 132,938.70 = 60,632.20 : x
  2. Step 2: Convert to fraction form
    88,625.80/132,938.70 = 60,632.20/x
  3. Step 3: Cross multiply
    88,625.80x = 132,938.70 × 60,632.20
  4. Step 4: Simplify right side
    88,625.80x = 8,060,365,846.14
  5. Step 5: Solve for x
    x = 8,060,365,846.14/88,625.80
  6. Step 6: Final answer
    x = 90,948.30

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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.