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Finding the Fourth Proportional to 164,436, 226,923.30 and 88,986.12

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Solution

The fourth proportional to 164,436, 226,923.30 and 88,986.12 is: 122,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,436 : 226,923.30 = 88,986.12 : x
  2. Step 2: Convert to fraction form
    164,436/226,923.30 = 88,986.12/x
  3. Step 3: Cross multiply
    164,436x = 226,923.30 × 88,986.12
  4. Step 4: Simplify right side
    164,436x = 20,193,024,004.60
  5. Step 5: Solve for x
    x = 20,193,024,004.60/164,436
  6. Step 6: Final answer
    x = 122,801.72

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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.