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Finding the Fourth Proportional to 367,627.80, 551,441.70 and 101,429.40

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Solution

The fourth proportional to 367,627.80, 551,441.70 and 101,429.40 is: 152,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,627.80 : 551,441.70 = 101,429.40 : x
  2. Step 2: Convert to fraction form
    367,627.80/551,441.70 = 101,429.40/x
  3. Step 3: Cross multiply
    367,627.80x = 551,441.70 × 101,429.40
  4. Step 4: Simplify right side
    367,627.80x = 55,932,400,765.98
  5. Step 5: Solve for x
    x = 55,932,400,765.98/367,627.80
  6. Step 6: Final answer
    x = 152,144.10

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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.