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Finding the Fourth Proportional to 100,606,806.45, 150,910,209.68 and 100,606,806.45

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Solution

The fourth proportional to 100,606,806.45, 150,910,209.68 and 100,606,806.45 is: 150,910,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,606,806.45 : 150,910,209.68 = 100,606,806.45 : x
  2. Step 2: Convert to fraction form
    100,606,806.45/150,910,209.68 = 100,606,806.45/x
  3. Step 3: Cross multiply
    100,606,806.45x = 150,910,209.68 × 100,606,806.45
  4. Step 4: Simplify right side
    100,606,806.45x = 15,182,594,256,101,644
  5. Step 5: Solve for x
    x = 15,182,594,256,101,644/100,606,806.45
  6. Step 6: Final answer
    x = 150,910,209.68

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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.