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Finding the Fourth Proportional to 164,405.01, 226,856.16 and 91,799.04

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Solution

The fourth proportional to 164,405.01, 226,856.16 and 91,799.04 is: 126,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,405.01 : 226,856.16 = 91,799.04 : x
  2. Step 2: Convert to fraction form
    164,405.01/226,856.16 = 91,799.04/x
  3. Step 3: Cross multiply
    164,405.01x = 226,856.16 × 91,799.04
  4. Step 4: Simplify right side
    164,405.01x = 20,825,177,706.09
  5. Step 5: Solve for x
    x = 20,825,177,706.09/164,405.01
  6. Step 6: Final answer
    x = 126,669.97

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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.