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Finding the Fourth Proportional to 168,685.74, 252,945.18 and 56,327.40

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Solution

The fourth proportional to 168,685.74, 252,945.18 and 56,327.40 is: 84,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,685.74 : 252,945.18 = 56,327.40 : x
  2. Step 2: Convert to fraction form
    168,685.74/252,945.18 = 56,327.40/x
  3. Step 3: Cross multiply
    168,685.74x = 252,945.18 × 56,327.40
  4. Step 4: Simplify right side
    168,685.74x = 14,247,744,331.93
  5. Step 5: Solve for x
    x = 14,247,744,331.93/168,685.74
  6. Step 6: Final answer
    x = 84,463.24

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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.