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Finding the Fourth Proportional to 238,651.95, 329,340.92 and 131,228.94

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Solution

The fourth proportional to 238,651.95, 329,340.92 and 131,228.94 is: 181,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,651.95 : 329,340.92 = 131,228.94 : x
  2. Step 2: Convert to fraction form
    238,651.95/329,340.92 = 131,228.94/x
  3. Step 3: Cross multiply
    238,651.95x = 329,340.92 × 131,228.94
  4. Step 4: Simplify right side
    238,651.95x = 43,219,059,830.22
  5. Step 5: Solve for x
    x = 43,219,059,830.22/238,651.95
  6. Step 6: Final answer
    x = 181,096.61

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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.