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Finding the Fourth Proportional to 110,192.25, 152,065.31 and 65,480.25

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Solution

The fourth proportional to 110,192.25, 152,065.31 and 65,480.25 is: 90,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,192.25 : 152,065.31 = 65,480.25 : x
  2. Step 2: Convert to fraction form
    110,192.25/152,065.31 = 65,480.25/x
  3. Step 3: Cross multiply
    110,192.25x = 152,065.31 × 65,480.25
  4. Step 4: Simplify right side
    110,192.25x = 9,957,274,187.73
  5. Step 5: Solve for x
    x = 9,957,274,187.73/110,192.25
  6. Step 6: Final answer
    x = 90,362.75

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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.