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Finding the Fourth Proportional to 74,710.94, 103,079.10 and 44,481.14

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Solution

The fourth proportional to 74,710.94, 103,079.10 and 44,481.14 is: 61,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710.94 : 103,079.10 = 44,481.14 : x
  2. Step 2: Convert to fraction form
    74,710.94/103,079.10 = 44,481.14/x
  3. Step 3: Cross multiply
    74,710.94x = 103,079.10 × 44,481.14
  4. Step 4: Simplify right side
    74,710.94x = 4,585,075,878.17
  5. Step 5: Solve for x
    x = 4,585,075,878.17/74,710.94
  6. Step 6: Final answer
    x = 61,370.88

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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.