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Finding the Fourth Proportional to 168,215.76, 252,280.67 and 49,859.42

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Solution

The fourth proportional to 168,215.76, 252,280.67 and 49,859.42 is: 74,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,215.76 : 252,280.67 = 49,859.42 : x
  2. Step 2: Convert to fraction form
    168,215.76/252,280.67 = 49,859.42/x
  3. Step 3: Cross multiply
    168,215.76x = 252,280.67 × 49,859.42
  4. Step 4: Simplify right side
    168,215.76x = 12,578,566,372.71
  5. Step 5: Solve for x
    x = 12,578,566,372.71/168,215.76
  6. Step 6: Final answer
    x = 74,776.38

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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.