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Finding the Fourth Proportional to 161,991.32, 223,552.43 and 101,556.29

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Solution

The fourth proportional to 161,991.32, 223,552.43 and 101,556.29 is: 140,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,991.32 : 223,552.43 = 101,556.29 : x
  2. Step 2: Convert to fraction form
    161,991.32/223,552.43 = 101,556.29/x
  3. Step 3: Cross multiply
    161,991.32x = 223,552.43 × 101,556.29
  4. Step 4: Simplify right side
    161,991.32x = 22,703,153,785.74
  5. Step 5: Solve for x
    x = 22,703,153,785.74/161,991.32
  6. Step 6: Final answer
    x = 140,150.44

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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.