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Finding the Fourth Proportional to 65,174,974.80, 97,762,462.20 and 64,167,205.20

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Solution

The fourth proportional to 65,174,974.80, 97,762,462.20 and 64,167,205.20 is: 96,250,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,174,974.80 : 97,762,462.20 = 64,167,205.20 : x
  2. Step 2: Convert to fraction form
    65,174,974.80/97,762,462.20 = 64,167,205.20/x
  3. Step 3: Cross multiply
    65,174,974.80x = 97,762,462.20 × 64,167,205.20
  4. Step 4: Simplify right side
    65,174,974.80x = 6,273,143,972,844,644
  5. Step 5: Solve for x
    x = 6,273,143,972,844,644/65,174,974.80
  6. Step 6: Final answer
    x = 96,250,807.80

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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.