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Finding the Fourth Proportional to 101,102.70, 151,657.92 and 26,220.88

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Solution

The fourth proportional to 101,102.70, 151,657.92 and 26,220.88 is: 39,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,102.70 : 151,657.92 = 26,220.88 : x
  2. Step 2: Convert to fraction form
    101,102.70/151,657.92 = 26,220.88/x
  3. Step 3: Cross multiply
    101,102.70x = 151,657.92 × 26,220.88
  4. Step 4: Simplify right side
    101,102.70x = 3,976,604,310.94
  5. Step 5: Solve for x
    x = 3,976,604,310.94/101,102.70
  6. Step 6: Final answer
    x = 39,332.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.