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Finding the Fourth Proportional to 70,711.52, 106,061.68 and 41,110.44

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Solution

The fourth proportional to 70,711.52, 106,061.68 and 41,110.44 is: 61,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,711.52 : 106,061.68 = 41,110.44 : x
  2. Step 2: Convert to fraction form
    70,711.52/106,061.68 = 41,110.44/x
  3. Step 3: Cross multiply
    70,711.52x = 106,061.68 × 41,110.44
  4. Step 4: Simplify right side
    70,711.52x = 4,360,242,331.94
  5. Step 5: Solve for x
    x = 4,360,242,331.94/70,711.52
  6. Step 6: Final answer
    x = 61,662.40

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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.