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Finding the Fourth Proportional to 66,795,512.70, 100,226,446.65 and 26,407,314.30

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Solution

The fourth proportional to 66,795,512.70, 100,226,446.65 and 26,407,314.30 is: 39,624,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,795,512.70 : 100,226,446.65 = 26,407,314.30 : x
  2. Step 2: Convert to fraction form
    66,795,512.70/100,226,446.65 = 26,407,314.30/x
  3. Step 3: Cross multiply
    66,795,512.70x = 100,226,446.65 × 26,407,314.30
  4. Step 4: Simplify right side
    66,795,512.70x = 2,646,711,277,858,732.50
  5. Step 5: Solve for x
    x = 2,646,711,277,858,732.50/66,795,512.70
  6. Step 6: Final answer
    x = 39,624,088.07

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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.