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Finding the Fourth Proportional to 150,248.79, 225,040.98 and 102,751.32

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Solution

The fourth proportional to 150,248.79, 225,040.98 and 102,751.32 is: 153,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,248.79 : 225,040.98 = 102,751.32 : x
  2. Step 2: Convert to fraction form
    150,248.79/225,040.98 = 102,751.32/x
  3. Step 3: Cross multiply
    150,248.79x = 225,040.98 × 102,751.32
  4. Step 4: Simplify right side
    150,248.79x = 23,123,257,749.09
  5. Step 5: Solve for x
    x = 23,123,257,749.09/150,248.79
  6. Step 6: Final answer
    x = 153,899.79

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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.