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Finding the Fourth Proportional to 99,660,169.95, 149,206,819.72 and 99,660,169.95

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Solution

The fourth proportional to 99,660,169.95, 149,206,819.72 and 99,660,169.95 is: 149,206,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,169.95 : 149,206,819.72 = 99,660,169.95 : x
  2. Step 2: Convert to fraction form
    99,660,169.95/149,206,819.72 = 99,660,169.95/x
  3. Step 3: Cross multiply
    99,660,169.95x = 149,206,819.72 × 99,660,169.95
  4. Step 4: Simplify right side
    99,660,169.95x = 14,869,977,010,994,212
  5. Step 5: Solve for x
    x = 14,869,977,010,994,212/99,660,169.95
  6. Step 6: Final answer
    x = 149,206,819.72

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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.