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Finding the Fourth Proportional to 69,200.80, 103,849.80 and 44,301.40

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Solution

The fourth proportional to 69,200.80, 103,849.80 and 44,301.40 is: 66,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,200.80 : 103,849.80 = 44,301.40 : x
  2. Step 2: Convert to fraction form
    69,200.80/103,849.80 = 44,301.40/x
  3. Step 3: Cross multiply
    69,200.80x = 103,849.80 × 44,301.40
  4. Step 4: Simplify right side
    69,200.80x = 4,600,691,529.72
  5. Step 5: Solve for x
    x = 4,600,691,529.72/69,200.80
  6. Step 6: Final answer
    x = 66,483.21

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1.5x scale

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.