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Finding the Fourth Proportional to 201,115.52, 277,509.33 and 115,060.83

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Solution

The fourth proportional to 201,115.52, 277,509.33 and 115,060.83 is: 158,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,115.52 : 277,509.33 = 115,060.83 : x
  2. Step 2: Convert to fraction form
    201,115.52/277,509.33 = 115,060.83/x
  3. Step 3: Cross multiply
    201,115.52x = 277,509.33 × 115,060.83
  4. Step 4: Simplify right side
    201,115.52x = 31,930,453,322.21
  5. Step 5: Solve for x
    x = 31,930,453,322.21/201,115.52
  6. Step 6: Final answer
    x = 158,766.73

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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.