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Finding the Fourth Proportional to 61,921.20, 92,881.80 and 44,554.80

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Solution

The fourth proportional to 61,921.20, 92,881.80 and 44,554.80 is: 66,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.20 : 92,881.80 = 44,554.80 : x
  2. Step 2: Convert to fraction form
    61,921.20/92,881.80 = 44,554.80/x
  3. Step 3: Cross multiply
    61,921.20x = 92,881.80 × 44,554.80
  4. Step 4: Simplify right side
    61,921.20x = 4,138,330,022.64
  5. Step 5: Solve for x
    x = 4,138,330,022.64/61,921.20
  6. Step 6: Final answer
    x = 66,832.20

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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.