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Finding the Fourth Proportional to 238,562.93, 329,213.15 and 131,130.65

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Solution

The fourth proportional to 238,562.93, 329,213.15 and 131,130.65 is: 180,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,562.93 : 329,213.15 = 131,130.65 : x
  2. Step 2: Convert to fraction form
    238,562.93/329,213.15 = 131,130.65/x
  3. Step 3: Cross multiply
    238,562.93x = 329,213.15 × 131,130.65
  4. Step 4: Simplify right side
    238,562.93x = 43,169,933,692.39
  5. Step 5: Solve for x
    x = 43,169,933,692.39/238,562.93
  6. Step 6: Final answer
    x = 180,958.27

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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.