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Finding the Fourth Proportional to 171,601,251.90, 257,401,877.85 and 171,601,251.90

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Solution

The fourth proportional to 171,601,251.90, 257,401,877.85 and 171,601,251.90 is: 257,401,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,601,251.90 : 257,401,877.85 = 171,601,251.90 : x
  2. Step 2: Convert to fraction form
    171,601,251.90/257,401,877.85 = 171,601,251.90/x
  3. Step 3: Cross multiply
    171,601,251.90x = 257,401,877.85 × 171,601,251.90
  4. Step 4: Simplify right side
    171,601,251.90x = 44,170,484,480,470,880
  5. Step 5: Solve for x
    x = 44,170,484,480,470,880/171,601,251.90
  6. Step 6: Final answer
    x = 257,401,877.85

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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.