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Finding the Fourth Proportional to 64,682,791.80, 97,024,187.70 and 26,371,800.60

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Solution

The fourth proportional to 64,682,791.80, 97,024,187.70 and 26,371,800.60 is: 39,557,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,682,791.80 : 97,024,187.70 = 26,371,800.60 : x
  2. Step 2: Convert to fraction form
    64,682,791.80/97,024,187.70 = 26,371,800.60/x
  3. Step 3: Cross multiply
    64,682,791.80x = 97,024,187.70 × 26,371,800.60
  4. Step 4: Simplify right side
    64,682,791.80x = 2,558,702,531,401,373
  5. Step 5: Solve for x
    x = 2,558,702,531,401,373/64,682,791.80
  6. Step 6: Final answer
    x = 39,557,700.90

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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.