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Finding the Fourth Proportional to 168,686.46, 252,947.07 and 56,328.12

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Solution

The fourth proportional to 168,686.46, 252,947.07 and 56,328.12 is: 84,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,686.46 : 252,947.07 = 56,328.12 : x
  2. Step 2: Convert to fraction form
    168,686.46/252,947.07 = 56,328.12/x
  3. Step 3: Cross multiply
    168,686.46x = 252,947.07 × 56,328.12
  4. Step 4: Simplify right side
    168,686.46x = 14,248,032,912.61
  5. Step 5: Solve for x
    x = 14,248,032,912.61/168,686.46
  6. Step 6: Final answer
    x = 84,464.59

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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.