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Finding the Fourth Proportional to 216,803.73, 325,018.71 and 83,777.33

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Solution

The fourth proportional to 216,803.73, 325,018.71 and 83,777.33 is: 125,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,803.73 : 325,018.71 = 83,777.33 : x
  2. Step 2: Convert to fraction form
    216,803.73/325,018.71 = 83,777.33/x
  3. Step 3: Cross multiply
    216,803.73x = 325,018.71 × 83,777.33
  4. Step 4: Simplify right side
    216,803.73x = 27,229,199,723.84
  5. Step 5: Solve for x
    x = 27,229,199,723.84/216,803.73
  6. Step 6: Final answer
    x = 125,593.78

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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.