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Finding the Fourth Proportional to 70,552.72, 105,853.24 and 44,225.92

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Solution

The fourth proportional to 70,552.72, 105,853.24 and 44,225.92 is: 66,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,552.72 : 105,853.24 = 44,225.92 : x
  2. Step 2: Convert to fraction form
    70,552.72/105,853.24 = 44,225.92/x
  3. Step 3: Cross multiply
    70,552.72x = 105,853.24 × 44,225.92
  4. Step 4: Simplify right side
    70,552.72x = 4,681,456,923.98
  5. Step 5: Solve for x
    x = 4,681,456,923.98/70,552.72
  6. Step 6: Final answer
    x = 66,354.02

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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.