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Finding the Fourth Proportional to 61,625.30, 92,243.55 and 44,129.30

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Solution

The fourth proportional to 61,625.30, 92,243.55 and 44,129.30 is: 66,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,625.30 : 92,243.55 = 44,129.30 : x
  2. Step 2: Convert to fraction form
    61,625.30/92,243.55 = 44,129.30/x
  3. Step 3: Cross multiply
    61,625.30x = 92,243.55 × 44,129.30
  4. Step 4: Simplify right side
    61,625.30x = 4,070,643,291.02
  5. Step 5: Solve for x
    x = 4,070,643,291.02/61,625.30
  6. Step 6: Final answer
    x = 66,054.74

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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.