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Finding the Fourth Proportional to 185,471.10, 255,950.42 and 100,588.23

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Solution

The fourth proportional to 185,471.10, 255,950.42 and 100,588.23 is: 138,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,471.10 : 255,950.42 = 100,588.23 : x
  2. Step 2: Convert to fraction form
    185,471.10/255,950.42 = 100,588.23/x
  3. Step 3: Cross multiply
    185,471.10x = 255,950.42 × 100,588.23
  4. Step 4: Simplify right side
    185,471.10x = 25,745,599,212.62
  5. Step 5: Solve for x
    x = 25,745,599,212.62/185,471.10
  6. Step 6: Final answer
    x = 138,811.92

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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.