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Finding the Fourth Proportional to 240,690.80, 332,158.37 and 131,799.72

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Solution

The fourth proportional to 240,690.80, 332,158.37 and 131,799.72 is: 181,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,690.80 : 332,158.37 = 131,799.72 : x
  2. Step 2: Convert to fraction form
    240,690.80/332,158.37 = 131,799.72/x
  3. Step 3: Cross multiply
    240,690.80x = 332,158.37 × 131,799.72
  4. Step 4: Simplify right side
    240,690.80x = 43,778,379,502.66
  5. Step 5: Solve for x
    x = 43,778,379,502.66/240,690.80
  6. Step 6: Final answer
    x = 181,886.39

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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.