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Finding the Fourth Proportional to 235,340.65, 324,773.39 and 127,910.66

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Solution

The fourth proportional to 235,340.65, 324,773.39 and 127,910.66 is: 176,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,340.65 : 324,773.39 = 127,910.66 : x
  2. Step 2: Convert to fraction form
    235,340.65/324,773.39 = 127,910.66/x
  3. Step 3: Cross multiply
    235,340.65x = 324,773.39 × 127,910.66
  4. Step 4: Simplify right side
    235,340.65x = 41,541,978,665.34
  5. Step 5: Solve for x
    x = 41,541,978,665.34/235,340.65
  6. Step 6: Final answer
    x = 176,518.50

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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.