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Finding the Fourth Proportional to 160,959, 222,123.42 and 104,370.78

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Solution

The fourth proportional to 160,959, 222,123.42 and 104,370.78 is: 144,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,959 : 222,123.42 = 104,370.78 : x
  2. Step 2: Convert to fraction form
    160,959/222,123.42 = 104,370.78/x
  3. Step 3: Cross multiply
    160,959x = 222,123.42 × 104,370.78
  4. Step 4: Simplify right side
    160,959x = 23,183,194,601.67
  5. Step 5: Solve for x
    x = 23,183,194,601.67/160,959
  6. Step 6: Final answer
    x = 144,031.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.