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Finding the Fourth Proportional to 71,154.96, 98,239.13 and 44,336.87

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Solution

The fourth proportional to 71,154.96, 98,239.13 and 44,336.87 is: 61,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,154.96 : 98,239.13 = 44,336.87 : x
  2. Step 2: Convert to fraction form
    71,154.96/98,239.13 = 44,336.87/x
  3. Step 3: Cross multiply
    71,154.96x = 98,239.13 × 44,336.87
  4. Step 4: Simplify right side
    71,154.96x = 4,355,615,357.50
  5. Step 5: Solve for x
    x = 4,355,615,357.50/71,154.96
  6. Step 6: Final answer
    x = 61,213.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.