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Finding the Fourth Proportional to 74,686.95, 103,063.19 and 44,474.49

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Solution

The fourth proportional to 74,686.95, 103,063.19 and 44,474.49 is: 61,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,686.95 : 103,063.19 = 44,474.49 : x
  2. Step 2: Convert to fraction form
    74,686.95/103,063.19 = 44,474.49/x
  3. Step 3: Cross multiply
    74,686.95x = 103,063.19 × 44,474.49
  4. Step 4: Simplify right side
    74,686.95x = 4,583,682,590.65
  5. Step 5: Solve for x
    x = 4,583,682,590.65/74,686.95
  6. Step 6: Final answer
    x = 61,371.93

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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.