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Finding the Fourth Proportional to 75,064.62, 103,586.14 and 44,866.61

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Solution

The fourth proportional to 75,064.62, 103,586.14 and 44,866.61 is: 61,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,064.62 : 103,586.14 = 44,866.61 : x
  2. Step 2: Convert to fraction form
    75,064.62/103,586.14 = 44,866.61/x
  3. Step 3: Cross multiply
    75,064.62x = 103,586.14 × 44,866.61
  4. Step 4: Simplify right side
    75,064.62x = 4,647,558,871.39
  5. Step 5: Solve for x
    x = 4,647,558,871.39/75,064.62
  6. Step 6: Final answer
    x = 61,914.10

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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.