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Finding the Fourth Proportional to 250,486.32, 375,729.20 and 60,945.52

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Solution

The fourth proportional to 250,486.32, 375,729.20 and 60,945.52 is: 91,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,486.32 : 375,729.20 = 60,945.52 : x
  2. Step 2: Convert to fraction form
    250,486.32/375,729.20 = 60,945.52/x
  3. Step 3: Cross multiply
    250,486.32x = 375,729.20 × 60,945.52
  4. Step 4: Simplify right side
    250,486.32x = 22,899,011,473.18
  5. Step 5: Solve for x
    x = 22,899,011,473.18/250,486.32
  6. Step 6: Final answer
    x = 91,418.21

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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.