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Finding the Fourth Proportional to 185,266.74, 255,673.06 and 112,644.66

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Solution

The fourth proportional to 185,266.74, 255,673.06 and 112,644.66 is: 155,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,266.74 : 255,673.06 = 112,644.66 : x
  2. Step 2: Convert to fraction form
    185,266.74/255,673.06 = 112,644.66/x
  3. Step 3: Cross multiply
    185,266.74x = 255,673.06 × 112,644.66
  4. Step 4: Simplify right side
    185,266.74x = 28,800,204,914.86
  5. Step 5: Solve for x
    x = 28,800,204,914.86/185,266.74
  6. Step 6: Final answer
    x = 155,452.65

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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.