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Finding the Fourth Proportional to 161,514.73, 222,888.09 and 89,894.78

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Solution

The fourth proportional to 161,514.73, 222,888.09 and 89,894.78 is: 124,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,514.73 : 222,888.09 = 89,894.78 : x
  2. Step 2: Convert to fraction form
    161,514.73/222,888.09 = 89,894.78/x
  3. Step 3: Cross multiply
    161,514.73x = 222,888.09 × 89,894.78
  4. Step 4: Simplify right side
    161,514.73x = 20,036,474,700.73
  5. Step 5: Solve for x
    x = 20,036,474,700.73/161,514.73
  6. Step 6: Final answer
    x = 124,053.55

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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.