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Finding the Fourth Proportional to 164,473.34, 226,973.54 and 89,021.84

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Solution

The fourth proportional to 164,473.34, 226,973.54 and 89,021.84 is: 122,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,473.34 : 226,973.54 = 89,021.84 : x
  2. Step 2: Convert to fraction form
    164,473.34/226,973.54 = 89,021.84/x
  3. Step 3: Cross multiply
    164,473.34x = 226,973.54 × 89,021.84
  4. Step 4: Simplify right side
    164,473.34x = 20,205,601,249.80
  5. Step 5: Solve for x
    x = 20,205,601,249.80/164,473.34
  6. Step 6: Final answer
    x = 122,850.32

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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.