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Finding the Fourth Proportional to 258,160.32, 356,198.40 and 150,669.12

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Solution

The fourth proportional to 258,160.32, 356,198.40 and 150,669.12 is: 207,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,160.32 : 356,198.40 = 150,669.12 : x
  2. Step 2: Convert to fraction form
    258,160.32/356,198.40 = 150,669.12/x
  3. Step 3: Cross multiply
    258,160.32x = 356,198.40 × 150,669.12
  4. Step 4: Simplify right side
    258,160.32x = 53,668,099,473.41
  5. Step 5: Solve for x
    x = 53,668,099,473.41/258,160.32
  6. Step 6: Final answer
    x = 207,886.71

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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.