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Finding the Fourth Proportional to 78,482.95, 108,304.09 and 44,494.54

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Solution

The fourth proportional to 78,482.95, 108,304.09 and 44,494.54 is: 61,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,482.95 : 108,304.09 = 44,494.54 : x
  2. Step 2: Convert to fraction form
    78,482.95/108,304.09 = 44,494.54/x
  3. Step 3: Cross multiply
    78,482.95x = 108,304.09 × 44,494.54
  4. Step 4: Simplify right side
    78,482.95x = 4,818,940,282.67
  5. Step 5: Solve for x
    x = 4,818,940,282.67/78,482.95
  6. Step 6: Final answer
    x = 61,401.11

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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.