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Finding the Fourth Proportional to 61,767.60, 92,579.10 and 54,761.01

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Solution

The fourth proportional to 61,767.60, 92,579.10 and 54,761.01 is: 82,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,767.60 : 92,579.10 = 54,761.01 : x
  2. Step 2: Convert to fraction form
    61,767.60/92,579.10 = 54,761.01/x
  3. Step 3: Cross multiply
    61,767.60x = 92,579.10 × 54,761.01
  4. Step 4: Simplify right side
    61,767.60x = 5,069,725,020.89
  5. Step 5: Solve for x
    x = 5,069,725,020.89/61,767.60
  6. Step 6: Final answer
    x = 82,077.42

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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.