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Finding the Fourth Proportional to 185,527.78, 256,028.83 and 100,644.85

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Solution

The fourth proportional to 185,527.78, 256,028.83 and 100,644.85 is: 138,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,527.78 : 256,028.83 = 100,644.85 : x
  2. Step 2: Convert to fraction form
    185,527.78/256,028.83 = 100,644.85/x
  3. Step 3: Cross multiply
    185,527.78x = 256,028.83 × 100,644.85
  4. Step 4: Simplify right side
    185,527.78x = 25,767,982,385.41
  5. Step 5: Solve for x
    x = 25,767,982,385.41/185,527.78
  6. Step 6: Final answer
    x = 138,890.15

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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.