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Finding the Fourth Proportional to 250,287.72, 375,427.60 and 60,749.65

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Solution

The fourth proportional to 250,287.72, 375,427.60 and 60,749.65 is: 91,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,287.72 : 375,427.60 = 60,749.65 : x
  2. Step 2: Convert to fraction form
    250,287.72/375,427.60 = 60,749.65/x
  3. Step 3: Cross multiply
    250,287.72x = 375,427.60 × 60,749.65
  4. Step 4: Simplify right side
    250,287.72x = 22,807,095,034.56
  5. Step 5: Solve for x
    x = 22,807,095,034.56/250,287.72
  6. Step 6: Final answer
    x = 91,123.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.