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Finding the Fourth Proportional to 68,177.88, 102,048.48 and 36,508.76

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Solution

The fourth proportional to 68,177.88, 102,048.48 and 36,508.76 is: 54,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.88 : 102,048.48 = 36,508.76 : x
  2. Step 2: Convert to fraction form
    68,177.88/102,048.48 = 36,508.76/x
  3. Step 3: Cross multiply
    68,177.88x = 102,048.48 × 36,508.76
  4. Step 4: Simplify right side
    68,177.88x = 3,725,663,464.68
  5. Step 5: Solve for x
    x = 3,725,663,464.68/68,177.88
  6. Step 6: Final answer
    x = 54,646.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.