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Finding the Fourth Proportional to 76,031.76, 104,919.84 and 44,195.52

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Solution

The fourth proportional to 76,031.76, 104,919.84 and 44,195.52 is: 60,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,031.76 : 104,919.84 = 44,195.52 : x
  2. Step 2: Convert to fraction form
    76,031.76/104,919.84 = 44,195.52/x
  3. Step 3: Cross multiply
    76,031.76x = 104,919.84 × 44,195.52
  4. Step 4: Simplify right side
    76,031.76x = 4,636,986,887.12
  5. Step 5: Solve for x
    x = 4,636,986,887.12/76,031.76
  6. Step 6: Final answer
    x = 60,987.50

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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.