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Finding the Fourth Proportional to 157,447.73, 217,270.01 and 89,455.73

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Solution

The fourth proportional to 157,447.73, 217,270.01 and 89,455.73 is: 123,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,447.73 : 217,270.01 = 89,455.73 : x
  2. Step 2: Convert to fraction form
    157,447.73/217,270.01 = 89,455.73/x
  3. Step 3: Cross multiply
    157,447.73x = 217,270.01 × 89,455.73
  4. Step 4: Simplify right side
    157,447.73x = 19,436,046,488.95
  5. Step 5: Solve for x
    x = 19,436,046,488.95/157,447.73
  6. Step 6: Final answer
    x = 123,444.44

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1.5x scale

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.