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Finding the Fourth Proportional to 98,793,885.68, 148,177,375.68 and 26,004,571.12

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Solution

The fourth proportional to 98,793,885.68, 148,177,375.68 and 26,004,571.12 is: 39,003,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,793,885.68 : 148,177,375.68 = 26,004,571.12 : x
  2. Step 2: Convert to fraction form
    98,793,885.68/148,177,375.68 = 26,004,571.12/x
  3. Step 3: Cross multiply
    98,793,885.68x = 148,177,375.68 × 26,004,571.12
  4. Step 4: Simplify right side
    98,793,885.68x = 3,853,289,104,245,518.50
  5. Step 5: Solve for x
    x = 3,853,289,104,245,518.50/98,793,885.68
  6. Step 6: Final answer
    x = 39,003,315.62

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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.