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Finding the Fourth Proportional to 179,476, 247,682.04 and 99,993.12

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Solution

The fourth proportional to 179,476, 247,682.04 and 99,993.12 is: 137,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,476 : 247,682.04 = 99,993.12 : x
  2. Step 2: Convert to fraction form
    179,476/247,682.04 = 99,993.12/x
  3. Step 3: Cross multiply
    179,476x = 247,682.04 × 99,993.12
  4. Step 4: Simplify right side
    179,476x = 24,766,499,947.56
  5. Step 5: Solve for x
    x = 24,766,499,947.56/179,476
  6. Step 6: Final answer
    x = 137,993.38

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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.