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Finding the Fourth Proportional to 64,936.30, 97,404.45 and 62,311.90

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Solution

The fourth proportional to 64,936.30, 97,404.45 and 62,311.90 is: 93,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936.30 : 97,404.45 = 62,311.90 : x
  2. Step 2: Convert to fraction form
    64,936.30/97,404.45 = 62,311.90/x
  3. Step 3: Cross multiply
    64,936.30x = 97,404.45 × 62,311.90
  4. Step 4: Simplify right side
    64,936.30x = 6,069,456,347.96
  5. Step 5: Solve for x
    x = 6,069,456,347.96/64,936.30
  6. Step 6: Final answer
    x = 93,467.85

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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.