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Finding the Fourth Proportional to 36,289,621.20, 54,434,432.40 and 36,289,621.20

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Solution

The fourth proportional to 36,289,621.20, 54,434,432.40 and 36,289,621.20 is: 54,434,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289,621.20 : 54,434,432.40 = 36,289,621.20 : x
  2. Step 2: Convert to fraction form
    36,289,621.20/54,434,432.40 = 36,289,621.20/x
  3. Step 3: Cross multiply
    36,289,621.20x = 54,434,432.40 × 36,289,621.20
  4. Step 4: Simplify right side
    36,289,621.20x = 1,975,404,932,033,007
  5. Step 5: Solve for x
    x = 1,975,404,932,033,007/36,289,621.20
  6. Step 6: Final answer
    x = 54,434,432.40

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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.