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Finding the Fourth Proportional to 235,427.65, 324,888.57 and 127,997.69

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Solution

The fourth proportional to 235,427.65, 324,888.57 and 127,997.69 is: 176,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,427.65 : 324,888.57 = 127,997.69 : x
  2. Step 2: Convert to fraction form
    235,427.65/324,888.57 = 127,997.69/x
  3. Step 3: Cross multiply
    235,427.65x = 324,888.57 × 127,997.69
  4. Step 4: Simplify right side
    235,427.65x = 41,584,984,842.96
  5. Step 5: Solve for x
    x = 41,584,984,842.96/235,427.65
  6. Step 6: Final answer
    x = 176,635.94

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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.