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Finding the Fourth Proportional to 99,317,568.60, 148,976,352.90 and 99,317,568.60

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Solution

The fourth proportional to 99,317,568.60, 148,976,352.90 and 99,317,568.60 is: 148,976,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,317,568.60 : 148,976,352.90 = 99,317,568.60 : x
  2. Step 2: Convert to fraction form
    99,317,568.60/148,976,352.90 = 99,317,568.60/x
  3. Step 3: Cross multiply
    99,317,568.60x = 148,976,352.90 × 99,317,568.60
  4. Step 4: Simplify right side
    99,317,568.60x = 14,795,969,148,923,558
  5. Step 5: Solve for x
    x = 14,795,969,148,923,558/99,317,568.60
  6. Step 6: Final answer
    x = 148,976,352.90

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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.