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Finding the Fourth Proportional to 78,625.55, 108,502.19 and 44,633.74

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Solution

The fourth proportional to 78,625.55, 108,502.19 and 44,633.74 is: 61,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,625.55 : 108,502.19 = 44,633.74 : x
  2. Step 2: Convert to fraction form
    78,625.55/108,502.19 = 44,633.74/x
  3. Step 3: Cross multiply
    78,625.55x = 108,502.19 × 44,633.74
  4. Step 4: Simplify right side
    78,625.55x = 4,842,858,537.89
  5. Step 5: Solve for x
    x = 4,842,858,537.89/78,625.55
  6. Step 6: Final answer
    x = 61,593.95

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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.