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Finding the Fourth Proportional to 61,771.76, 85,150.68 and 37,854.08

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Solution

The fourth proportional to 61,771.76, 85,150.68 and 37,854.08 is: 52,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,771.76 : 85,150.68 = 37,854.08 : x
  2. Step 2: Convert to fraction form
    61,771.76/85,150.68 = 37,854.08/x
  3. Step 3: Cross multiply
    61,771.76x = 85,150.68 × 37,854.08
  4. Step 4: Simplify right side
    61,771.76x = 3,223,300,652.77
  5. Step 5: Solve for x
    x = 3,223,300,652.77/61,771.76
  6. Step 6: Final answer
    x = 52,180.81

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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.