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Finding the Fourth Proportional to 367,943.42, 551,453.42 and 157,333.70

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Solution

The fourth proportional to 367,943.42, 551,453.42 and 157,333.70 is: 235,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,943.42 : 551,453.42 = 157,333.70 : x
  2. Step 2: Convert to fraction form
    367,943.42/551,453.42 = 157,333.70/x
  3. Step 3: Cross multiply
    367,943.42x = 551,453.42 × 157,333.70
  4. Step 4: Simplify right side
    367,943.42x = 86,762,204,582.32
  5. Step 5: Solve for x
    x = 86,762,204,582.32/367,943.42
  6. Step 6: Final answer
    x = 235,803.12

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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.