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Finding the Fourth Proportional to 64,758.42, 97,137.88 and 33,151.22

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Solution

The fourth proportional to 64,758.42, 97,137.88 and 33,151.22 is: 49,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.42 : 97,137.88 = 33,151.22 : x
  2. Step 2: Convert to fraction form
    64,758.42/97,137.88 = 33,151.22/x
  3. Step 3: Cross multiply
    64,758.42x = 97,137.88 × 33,151.22
  4. Step 4: Simplify right side
    64,758.42x = 3,220,239,230.21
  5. Step 5: Solve for x
    x = 3,220,239,230.21/64,758.42
  6. Step 6: Final answer
    x = 49,726.96

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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.