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Finding the Fourth Proportional to 250,321.56, 375,531.36 and 110,079.72

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Solution

The fourth proportional to 250,321.56, 375,531.36 and 110,079.72 is: 165,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,321.56 : 375,531.36 = 110,079.72 : x
  2. Step 2: Convert to fraction form
    250,321.56/375,531.36 = 110,079.72/x
  3. Step 3: Cross multiply
    250,321.56x = 375,531.36 × 110,079.72
  4. Step 4: Simplify right side
    250,321.56x = 41,338,386,960.02
  5. Step 5: Solve for x
    x = 41,338,386,960.02/250,321.56
  6. Step 6: Final answer
    x = 165,141.14

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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.