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Finding the Fourth Proportional to 185,620.79, 255,963.07 and 110,154.71

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Solution

The fourth proportional to 185,620.79, 255,963.07 and 110,154.71 is: 151,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,620.79 : 255,963.07 = 110,154.71 : x
  2. Step 2: Convert to fraction form
    185,620.79/255,963.07 = 110,154.71/x
  3. Step 3: Cross multiply
    185,620.79x = 255,963.07 × 110,154.71
  4. Step 4: Simplify right side
    185,620.79x = 28,195,538,524.16
  5. Step 5: Solve for x
    x = 28,195,538,524.16/185,620.79
  6. Step 6: Final answer
    x = 151,898.60

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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.