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Finding the Fourth Proportional to 103,296.60, 154,908.45 and 36,738.90

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Solution

The fourth proportional to 103,296.60, 154,908.45 and 36,738.90 is: 55,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,296.60 : 154,908.45 = 36,738.90 : x
  2. Step 2: Convert to fraction form
    103,296.60/154,908.45 = 36,738.90/x
  3. Step 3: Cross multiply
    103,296.60x = 154,908.45 × 36,738.90
  4. Step 4: Simplify right side
    103,296.60x = 5,691,166,053.71
  5. Step 5: Solve for x
    x = 5,691,166,053.71/103,296.60
  6. Step 6: Final answer
    x = 55,095.39

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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.