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Finding the Fourth Proportional to 113,889.67, 170,830.24 and 35,001.86

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Solution

The fourth proportional to 113,889.67, 170,830.24 and 35,001.86 is: 52,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,889.67 : 170,830.24 = 35,001.86 : x
  2. Step 2: Convert to fraction form
    113,889.67/170,830.24 = 35,001.86/x
  3. Step 3: Cross multiply
    113,889.67x = 170,830.24 × 35,001.86
  4. Step 4: Simplify right side
    113,889.67x = 5,979,375,202.59
  5. Step 5: Solve for x
    x = 5,979,375,202.59/113,889.67
  6. Step 6: Final answer
    x = 52,501.47

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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.