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Finding the Fourth Proportional to 164,323.89, 226,753.11 and 91,720.17

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Solution

The fourth proportional to 164,323.89, 226,753.11 and 91,720.17 is: 126,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,323.89 : 226,753.11 = 91,720.17 : x
  2. Step 2: Convert to fraction form
    164,323.89/226,753.11 = 91,720.17/x
  3. Step 3: Cross multiply
    164,323.89x = 226,753.11 × 91,720.17
  4. Step 4: Simplify right side
    164,323.89x = 20,797,833,797.23
  5. Step 5: Solve for x
    x = 20,797,833,797.23/164,323.89
  6. Step 6: Final answer
    x = 126,566.10

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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.