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Finding the Fourth Proportional to 146,740,387.20, 220,110,580.80 and 146,740,387.20

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Solution

The fourth proportional to 146,740,387.20, 220,110,580.80 and 146,740,387.20 is: 220,110,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,740,387.20 : 220,110,580.80 = 146,740,387.20 : x
  2. Step 2: Convert to fraction form
    146,740,387.20/220,110,580.80 = 146,740,387.20/x
  3. Step 3: Cross multiply
    146,740,387.20x = 220,110,580.80 × 146,740,387.20
  4. Step 4: Simplify right side
    146,740,387.20x = 32,299,111,853,408,884
  5. Step 5: Solve for x
    x = 32,299,111,853,408,884/146,740,387.20
  6. Step 6: Final answer
    x = 220,110,580.80

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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.