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Finding the Fourth Proportional to 216,223.17, 324,350.42 and 83,103.59

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Solution

The fourth proportional to 216,223.17, 324,350.42 and 83,103.59 is: 124,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,223.17 : 324,350.42 = 83,103.59 : x
  2. Step 2: Convert to fraction form
    216,223.17/324,350.42 = 83,103.59/x
  3. Step 3: Cross multiply
    216,223.17x = 324,350.42 × 83,103.59
  4. Step 4: Simplify right side
    216,223.17x = 26,954,684,320.01
  5. Step 5: Solve for x
    x = 26,954,684,320.01/216,223.17
  6. Step 6: Final answer
    x = 124,661.41

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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.