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Finding the Fourth Proportional to 60,563.40, 90,737.10 and 29,329.80

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Solution

The fourth proportional to 60,563.40, 90,737.10 and 29,329.80 is: 43,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,563.40 : 90,737.10 = 29,329.80 : x
  2. Step 2: Convert to fraction form
    60,563.40/90,737.10 = 29,329.80/x
  3. Step 3: Cross multiply
    60,563.40x = 90,737.10 × 29,329.80
  4. Step 4: Simplify right side
    60,563.40x = 2,661,300,995.58
  5. Step 5: Solve for x
    x = 2,661,300,995.58/60,563.40
  6. Step 6: Final answer
    x = 43,942.40

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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.