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Finding the Fourth Proportional to 178,992,132.80, 251,269,230.40 and 178,992,132.80

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Solution

The fourth proportional to 178,992,132.80, 251,269,230.40 and 178,992,132.80 is: 251,269,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,992,132.80 : 251,269,230.40 = 178,992,132.80 : x
  2. Step 2: Convert to fraction form
    178,992,132.80/251,269,230.40 = 178,992,132.80/x
  3. Step 3: Cross multiply
    178,992,132.80x = 251,269,230.40 × 178,992,132.80
  4. Step 4: Simplify right side
    178,992,132.80x = 44,975,215,456,310,600
  5. Step 5: Solve for x
    x = 44,975,215,456,310,600/178,992,132.80
  6. Step 6: Final answer
    x = 251,269,230.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.