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Finding the Fourth Proportional to 160,889.10, 241,012.89 and 125,663.82

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Solution

The fourth proportional to 160,889.10, 241,012.89 and 125,663.82 is: 188,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,889.10 : 241,012.89 = 125,663.82 : x
  2. Step 2: Convert to fraction form
    160,889.10/241,012.89 = 125,663.82/x
  3. Step 3: Cross multiply
    160,889.10x = 241,012.89 × 125,663.82
  4. Step 4: Simplify right side
    160,889.10x = 30,286,600,426.64
  5. Step 5: Solve for x
    x = 30,286,600,426.64/160,889.10
  6. Step 6: Final answer
    x = 188,245.20

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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.