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Finding the Fourth Proportional to 209,952,277.70, 314,928,416.55 and 132,468,179.90

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Solution

The fourth proportional to 209,952,277.70, 314,928,416.55 and 132,468,179.90 is: 198,702,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,277.70 : 314,928,416.55 = 132,468,179.90 : x
  2. Step 2: Convert to fraction form
    209,952,277.70/314,928,416.55 = 132,468,179.90/x
  3. Step 3: Cross multiply
    209,952,277.70x = 314,928,416.55 × 132,468,179.90
  4. Step 4: Simplify right side
    209,952,277.70x = 41,717,994,139,167,544
  5. Step 5: Solve for x
    x = 41,717,994,139,167,544/209,952,277.70
  6. Step 6: Final answer
    x = 198,702,269.85

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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.