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Finding the Fourth Proportional to 61,708.68, 85,164.26 and 44,495.20

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Solution

The fourth proportional to 61,708.68, 85,164.26 and 44,495.20 is: 61,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,708.68 : 85,164.26 = 44,495.20 : x
  2. Step 2: Convert to fraction form
    61,708.68/85,164.26 = 44,495.20/x
  3. Step 3: Cross multiply
    61,708.68x = 85,164.26 × 44,495.20
  4. Step 4: Simplify right side
    61,708.68x = 3,789,401,035.58
  5. Step 5: Solve for x
    x = 3,789,401,035.58/61,708.68
  6. Step 6: Final answer
    x = 61,407.91

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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.