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Finding the Fourth Proportional to 164,422.36, 226,902.90 and 88,970.68

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Solution

The fourth proportional to 164,422.36, 226,902.90 and 88,970.68 is: 122,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,422.36 : 226,902.90 = 88,970.68 : x
  2. Step 2: Convert to fraction form
    164,422.36/226,902.90 = 88,970.68/x
  3. Step 3: Cross multiply
    164,422.36x = 226,902.90 × 88,970.68
  4. Step 4: Simplify right side
    164,422.36x = 20,187,705,306.97
  5. Step 5: Solve for x
    x = 20,187,705,306.97/164,422.36
  6. Step 6: Final answer
    x = 122,779.56

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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.