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Finding the Fourth Proportional to 161,358.60, 222,680.25 and 88,764.51

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Solution

The fourth proportional to 161,358.60, 222,680.25 and 88,764.51 is: 122,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,358.60 : 222,680.25 = 88,764.51 : x
  2. Step 2: Convert to fraction form
    161,358.60/222,680.25 = 88,764.51/x
  3. Step 3: Cross multiply
    161,358.60x = 222,680.25 × 88,764.51
  4. Step 4: Simplify right side
    161,358.60x = 19,766,103,277.93
  5. Step 5: Solve for x
    x = 19,766,103,277.93/161,358.60
  6. Step 6: Final answer
    x = 122,497.98

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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.