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Finding the Fourth Proportional to 66,854.37, 92,064.60 and 62,580.53

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Solution

The fourth proportional to 66,854.37, 92,064.60 and 62,580.53 is: 86,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,854.37 : 92,064.60 = 62,580.53 : x
  2. Step 2: Convert to fraction form
    66,854.37/92,064.60 = 62,580.53/x
  3. Step 3: Cross multiply
    66,854.37x = 92,064.60 × 62,580.53
  4. Step 4: Simplify right side
    66,854.37x = 5,761,451,692.40
  5. Step 5: Solve for x
    x = 5,761,451,692.40/66,854.37
  6. Step 6: Final answer
    x = 86,179.13

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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.