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Finding the Fourth Proportional to 75,179.52, 103,746.38 and 41,188.68

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Solution

The fourth proportional to 75,179.52, 103,746.38 and 41,188.68 is: 56,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,179.52 : 103,746.38 = 41,188.68 : x
  2. Step 2: Convert to fraction form
    75,179.52/103,746.38 = 41,188.68/x
  3. Step 3: Cross multiply
    75,179.52x = 103,746.38 × 41,188.68
  4. Step 4: Simplify right side
    75,179.52x = 4,273,176,446.98
  5. Step 5: Solve for x
    x = 4,273,176,446.98/75,179.52
  6. Step 6: Final answer
    x = 56,839.63

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1.5x scale

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.