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Finding the Fourth Proportional to 316,626.89, 474,841.01 and 92,002.86

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Solution

The fourth proportional to 316,626.89, 474,841.01 and 92,002.86 is: 137,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,626.89 : 474,841.01 = 92,002.86 : x
  2. Step 2: Convert to fraction form
    316,626.89/474,841.01 = 92,002.86/x
  3. Step 3: Cross multiply
    316,626.89x = 474,841.01 × 92,002.86
  4. Step 4: Simplify right side
    316,626.89x = 43,686,728,591.08
  5. Step 5: Solve for x
    x = 43,686,728,591.08/316,626.89
  6. Step 6: Final answer
    x = 137,975.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.