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Finding the Fourth Proportional to 78,625.96, 108,502.75 and 44,634.15

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Solution

The fourth proportional to 78,625.96, 108,502.75 and 44,634.15 is: 61,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,625.96 : 108,502.75 = 44,634.15 : x
  2. Step 2: Convert to fraction form
    78,625.96/108,502.75 = 44,634.15/x
  3. Step 3: Cross multiply
    78,625.96x = 108,502.75 × 44,634.15
  4. Step 4: Simplify right side
    78,625.96x = 4,842,927,795.74
  5. Step 5: Solve for x
    x = 4,842,927,795.74/78,625.96
  6. Step 6: Final answer
    x = 61,594.51

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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.