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Finding the Fourth Proportional to 78,335.74, 108,091.92 and 44,795.26

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Solution

The fourth proportional to 78,335.74, 108,091.92 and 44,795.26 is: 61,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,335.74 : 108,091.92 = 44,795.26 : x
  2. Step 2: Convert to fraction form
    78,335.74/108,091.92 = 44,795.26/x
  3. Step 3: Cross multiply
    78,335.74x = 108,091.92 × 44,795.26
  4. Step 4: Simplify right side
    78,335.74x = 4,842,005,711.42
  5. Step 5: Solve for x
    x = 4,842,005,711.42/78,335.74
  6. Step 6: Final answer
    x = 61,810.94

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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.