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Finding the Fourth Proportional to 160,974.56, 241,471.48 and 42,645.56

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Solution

The fourth proportional to 160,974.56, 241,471.48 and 42,645.56 is: 63,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,974.56 : 241,471.48 = 42,645.56 : x
  2. Step 2: Convert to fraction form
    160,974.56/241,471.48 = 42,645.56/x
  3. Step 3: Cross multiply
    160,974.56x = 241,471.48 × 42,645.56
  4. Step 4: Simplify right side
    160,974.56x = 10,297,686,488.63
  5. Step 5: Solve for x
    x = 10,297,686,488.63/160,974.56
  6. Step 6: Final answer
    x = 63,970.89

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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.