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Finding the Fourth Proportional to 367,434.10, 551,151.15 and 157,093.30

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Solution

The fourth proportional to 367,434.10, 551,151.15 and 157,093.30 is: 235,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,434.10 : 551,151.15 = 157,093.30 : x
  2. Step 2: Convert to fraction form
    367,434.10/551,151.15 = 157,093.30/x
  3. Step 3: Cross multiply
    367,434.10x = 551,151.15 × 157,093.30
  4. Step 4: Simplify right side
    367,434.10x = 86,582,152,952.30
  5. Step 5: Solve for x
    x = 86,582,152,952.30/367,434.10
  6. Step 6: Final answer
    x = 235,639.95

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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.