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Finding the Fourth Proportional to 216,777.68, 324,943.32 and 123,085.52

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Solution

The fourth proportional to 216,777.68, 324,943.32 and 123,085.52 is: 184,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,777.68 : 324,943.32 = 123,085.52 : x
  2. Step 2: Convert to fraction form
    216,777.68/324,943.32 = 123,085.52/x
  3. Step 3: Cross multiply
    216,777.68x = 324,943.32 × 123,085.52
  4. Step 4: Simplify right side
    216,777.68x = 39,995,817,512.73
  5. Step 5: Solve for x
    x = 39,995,817,512.73/216,777.68
  6. Step 6: Final answer
    x = 184,501.55

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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.