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Finding the Fourth Proportional to 73,081.86, 100,842.12 and 44,386.59

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Solution

The fourth proportional to 73,081.86, 100,842.12 and 44,386.59 is: 61,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081.86 : 100,842.12 = 44,386.59 : x
  2. Step 2: Convert to fraction form
    73,081.86/100,842.12 = 44,386.59/x
  3. Step 3: Cross multiply
    73,081.86x = 100,842.12 × 44,386.59
  4. Step 4: Simplify right side
    73,081.86x = 4,476,037,835.17
  5. Step 5: Solve for x
    x = 4,476,037,835.17/73,081.86
  6. Step 6: Final answer
    x = 61,246.91

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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.