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Finding the Fourth Proportional to 151,352.27, 208,867.58 and 83,369.54

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Solution

The fourth proportional to 151,352.27, 208,867.58 and 83,369.54 is: 115,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,352.27 : 208,867.58 = 83,369.54 : x
  2. Step 2: Convert to fraction form
    151,352.27/208,867.58 = 83,369.54/x
  3. Step 3: Cross multiply
    151,352.27x = 208,867.58 × 83,369.54
  4. Step 4: Simplify right side
    151,352.27x = 17,413,192,604.33
  5. Step 5: Solve for x
    x = 17,413,192,604.33/151,352.27
  6. Step 6: Final answer
    x = 115,050.76

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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.