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Finding the Fourth Proportional to 367,318.51, 551,147.25 and 167,700.08

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Solution

The fourth proportional to 367,318.51, 551,147.25 and 167,700.08 is: 251,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,318.51 : 551,147.25 = 167,700.08 : x
  2. Step 2: Convert to fraction form
    367,318.51/551,147.25 = 167,700.08/x
  3. Step 3: Cross multiply
    367,318.51x = 551,147.25 × 167,700.08
  4. Step 4: Simplify right side
    367,318.51x = 92,427,437,916.78
  5. Step 5: Solve for x
    x = 92,427,437,916.78/367,318.51
  6. Step 6: Final answer
    x = 251,627.50

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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.