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Finding the Fourth Proportional to 147,553.20, 221,329.80 and 36,745.20

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Solution

The fourth proportional to 147,553.20, 221,329.80 and 36,745.20 is: 55,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,553.20 : 221,329.80 = 36,745.20 : x
  2. Step 2: Convert to fraction form
    147,553.20/221,329.80 = 36,745.20/x
  3. Step 3: Cross multiply
    147,553.20x = 221,329.80 × 36,745.20
  4. Step 4: Simplify right side
    147,553.20x = 8,132,807,766.96
  5. Step 5: Solve for x
    x = 8,132,807,766.96/147,553.20
  6. Step 6: Final answer
    x = 55,117.80

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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.