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Finding the Fourth Proportional to 238,463.17, 329,079.08 and 131,040.12

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Solution

The fourth proportional to 238,463.17, 329,079.08 and 131,040.12 is: 180,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,463.17 : 329,079.08 = 131,040.12 : x
  2. Step 2: Convert to fraction form
    238,463.17/329,079.08 = 131,040.12/x
  3. Step 3: Cross multiply
    238,463.17x = 329,079.08 × 131,040.12
  4. Step 4: Simplify right side
    238,463.17x = 43,122,562,132.69
  5. Step 5: Solve for x
    x = 43,122,562,132.69/238,463.17
  6. Step 6: Final answer
    x = 180,835.31

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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.