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Finding the Fourth Proportional to 169,211.36, 233,449.90 and 101,230.29

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Solution

The fourth proportional to 169,211.36, 233,449.90 and 101,230.29 is: 139,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,211.36 : 233,449.90 = 101,230.29 : x
  2. Step 2: Convert to fraction form
    169,211.36/233,449.90 = 101,230.29/x
  3. Step 3: Cross multiply
    169,211.36x = 233,449.90 × 101,230.29
  4. Step 4: Simplify right side
    169,211.36x = 23,632,200,824.40
  5. Step 5: Solve for x
    x = 23,632,200,824.40/169,211.36
  6. Step 6: Final answer
    x = 139,660.84

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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.