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Finding the Fourth Proportional to 164,419.89, 226,897.05 and 91,822.01

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Solution

The fourth proportional to 164,419.89, 226,897.05 and 91,822.01 is: 126,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,419.89 : 226,897.05 = 91,822.01 : x
  2. Step 2: Convert to fraction form
    164,419.89/226,897.05 = 91,822.01/x
  3. Step 3: Cross multiply
    164,419.89x = 226,897.05 × 91,822.01
  4. Step 4: Simplify right side
    164,419.89x = 20,834,143,194.07
  5. Step 5: Solve for x
    x = 20,834,143,194.07/164,419.89
  6. Step 6: Final answer
    x = 126,713.04

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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.