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Finding the Fourth Proportional to 157,776.73, 217,750.55 and 88,868.44

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Solution

The fourth proportional to 157,776.73, 217,750.55 and 88,868.44 is: 122,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,776.73 : 217,750.55 = 88,868.44 : x
  2. Step 2: Convert to fraction form
    157,776.73/217,750.55 = 88,868.44/x
  3. Step 3: Cross multiply
    157,776.73x = 217,750.55 × 88,868.44
  4. Step 4: Simplify right side
    157,776.73x = 19,351,151,515.49
  5. Step 5: Solve for x
    x = 19,351,151,515.49/157,776.73
  6. Step 6: Final answer
    x = 122,648.96

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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.