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Finding the Fourth Proportional to 185,239.28, 255,523.61 and 111,600.56

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Solution

The fourth proportional to 185,239.28, 255,523.61 and 111,600.56 is: 153,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,239.28 : 255,523.61 = 111,600.56 : x
  2. Step 2: Convert to fraction form
    185,239.28/255,523.61 = 111,600.56/x
  3. Step 3: Cross multiply
    185,239.28x = 255,523.61 × 111,600.56
  4. Step 4: Simplify right side
    185,239.28x = 28,516,578,887.03
  5. Step 5: Solve for x
    x = 28,516,578,887.03/185,239.28
  6. Step 6: Final answer
    x = 153,944.55

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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.