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Finding the Fourth Proportional to 258,033.68, 356,066.82 and 144,834.56

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Solution

The fourth proportional to 258,033.68, 356,066.82 and 144,834.56 is: 199,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,033.68 : 356,066.82 = 144,834.56 : x
  2. Step 2: Convert to fraction form
    258,033.68/356,066.82 = 144,834.56/x
  3. Step 3: Cross multiply
    258,033.68x = 356,066.82 × 144,834.56
  4. Step 4: Simplify right side
    258,033.68x = 51,570,781,205.30
  5. Step 5: Solve for x
    x = 51,570,781,205.30/258,033.68
  6. Step 6: Final answer
    x = 199,860.66

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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.