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Finding the Fourth Proportional to 240,692.80, 332,161.13 and 131,801.71

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Solution

The fourth proportional to 240,692.80, 332,161.13 and 131,801.71 is: 181,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,692.80 : 332,161.13 = 131,801.71 : x
  2. Step 2: Convert to fraction form
    240,692.80/332,161.13 = 131,801.71/x
  3. Step 3: Cross multiply
    240,692.80x = 332,161.13 × 131,801.71
  4. Step 4: Simplify right side
    240,692.80x = 43,779,402,609.72
  5. Step 5: Solve for x
    x = 43,779,402,609.72/240,692.80
  6. Step 6: Final answer
    x = 181,889.13

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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.