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Finding the Fourth Proportional to 367,523.70, 551,285.55 and 118,230.90

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Solution

The fourth proportional to 367,523.70, 551,285.55 and 118,230.90 is: 177,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,523.70 : 551,285.55 = 118,230.90 : x
  2. Step 2: Convert to fraction form
    367,523.70/551,285.55 = 118,230.90/x
  3. Step 3: Cross multiply
    367,523.70x = 551,285.55 × 118,230.90
  4. Step 4: Simplify right side
    367,523.70x = 65,178,986,733.50
  5. Step 5: Solve for x
    x = 65,178,986,733.50/367,523.70
  6. Step 6: Final answer
    x = 177,346.35

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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.