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Finding the Fourth Proportional to 104,976,378.60, 146,626,807.80 and 104,976,378.60

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Solution

The fourth proportional to 104,976,378.60, 146,626,807.80 and 104,976,378.60 is: 146,626,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,378.60 : 146,626,807.80 = 104,976,378.60 : x
  2. Step 2: Convert to fraction form
    104,976,378.60/146,626,807.80 = 104,976,378.60/x
  3. Step 3: Cross multiply
    104,976,378.60x = 146,626,807.80 × 104,976,378.60
  4. Step 4: Simplify right side
    104,976,378.60x = 15,392,351,288,522,234
  5. Step 5: Solve for x
    x = 15,392,351,288,522,234/104,976,378.60
  6. Step 6: Final answer
    x = 146,626,807.80

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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.