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Finding the Fourth Proportional to 171,998,138.87, 241,477,638.89 and 171,998,138.87

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Solution

The fourth proportional to 171,998,138.87, 241,477,638.89 and 171,998,138.87 is: 241,477,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,998,138.87 : 241,477,638.89 = 171,998,138.87 : x
  2. Step 2: Convert to fraction form
    171,998,138.87/241,477,638.89 = 171,998,138.87/x
  3. Step 3: Cross multiply
    171,998,138.87x = 241,477,638.89 × 171,998,138.87
  4. Step 4: Simplify right side
    171,998,138.87x = 41,533,704,466,594,544
  5. Step 5: Solve for x
    x = 41,533,704,466,594,544/171,998,138.87
  6. Step 6: Final answer
    x = 241,477,638.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.