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Finding the Fourth Proportional to 161,488.58, 222,623.28 and 113,593.28

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Solution

The fourth proportional to 161,488.58, 222,623.28 and 113,593.28 is: 156,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,488.58 : 222,623.28 = 113,593.28 : x
  2. Step 2: Convert to fraction form
    161,488.58/222,623.28 = 113,593.28/x
  3. Step 3: Cross multiply
    161,488.58x = 222,623.28 × 113,593.28
  4. Step 4: Simplify right side
    161,488.58x = 25,288,508,863.54
  5. Step 5: Solve for x
    x = 25,288,508,863.54/161,488.58
  6. Step 6: Final answer
    x = 156,596.27

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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.