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Finding the Fourth Proportional to 216,099.93, 297,860.97 and 144,453.81

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Solution

The fourth proportional to 216,099.93, 297,860.97 and 144,453.81 is: 199,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,099.93 : 297,860.97 = 144,453.81 : x
  2. Step 2: Convert to fraction form
    216,099.93/297,860.97 = 144,453.81/x
  3. Step 3: Cross multiply
    216,099.93x = 297,860.97 × 144,453.81
  4. Step 4: Simplify right side
    216,099.93x = 43,027,151,966.80
  5. Step 5: Solve for x
    x = 43,027,151,966.80/216,099.93
  6. Step 6: Final answer
    x = 199,107.66

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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.