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Finding the Fourth Proportional to 164,485.77, 226,991.10 and 89,034.27

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Solution

The fourth proportional to 164,485.77, 226,991.10 and 89,034.27 is: 122,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,485.77 : 226,991.10 = 89,034.27 : x
  2. Step 2: Convert to fraction form
    164,485.77/226,991.10 = 89,034.27/x
  3. Step 3: Cross multiply
    164,485.77x = 226,991.10 × 89,034.27
  4. Step 4: Simplify right side
    164,485.77x = 20,209,986,885.00
  5. Step 5: Solve for x
    x = 20,209,986,885.00/164,485.77
  6. Step 6: Final answer
    x = 122,867.69

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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.