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Finding the Fourth Proportional to 146,740,385.70, 220,110,578.55 and 146,740,385.70

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Solution

The fourth proportional to 146,740,385.70, 220,110,578.55 and 146,740,385.70 is: 220,110,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,740,385.70 : 220,110,578.55 = 146,740,385.70 : x
  2. Step 2: Convert to fraction form
    146,740,385.70/220,110,578.55 = 146,740,385.70/x
  3. Step 3: Cross multiply
    146,740,385.70x = 220,110,578.55 × 146,740,385.70
  4. Step 4: Simplify right side
    146,740,385.70x = 32,299,111,193,077,144
  5. Step 5: Solve for x
    x = 32,299,111,193,077,144/146,740,385.70
  6. Step 6: Final answer
    x = 220,110,578.55

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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.