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Finding the Fourth Proportional to 179,882, 269,836.08 and 69,074

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Solution

The fourth proportional to 179,882, 269,836.08 and 69,074 is: 103,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,882 : 269,836.08 = 69,074 : x
  2. Step 2: Convert to fraction form
    179,882/269,836.08 = 69,074/x
  3. Step 3: Cross multiply
    179,882x = 269,836.08 × 69,074
  4. Step 4: Simplify right side
    179,882x = 18,638,657,389.92
  5. Step 5: Solve for x
    x = 18,638,657,389.92/179,882
  6. Step 6: Final answer
    x = 103,616.02

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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.