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Finding the Fourth Proportional to 68,855.76, 103,007.48 and 59,596.52

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Solution

The fourth proportional to 68,855.76, 103,007.48 and 59,596.52 is: 89,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,855.76 : 103,007.48 = 59,596.52 : x
  2. Step 2: Convert to fraction form
    68,855.76/103,007.48 = 59,596.52/x
  3. Step 3: Cross multiply
    68,855.76x = 103,007.48 × 59,596.52
  4. Step 4: Simplify right side
    68,855.76x = 6,138,887,341.97
  5. Step 5: Solve for x
    x = 6,138,887,341.97/68,855.76
  6. Step 6: Final answer
    x = 89,155.76

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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.