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Finding the Fourth Proportional to 101,812.62, 152,764.29 and 39,487.98

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Solution

The fourth proportional to 101,812.62, 152,764.29 and 39,487.98 is: 59,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,812.62 : 152,764.29 = 39,487.98 : x
  2. Step 2: Convert to fraction form
    101,812.62/152,764.29 = 39,487.98/x
  3. Step 3: Cross multiply
    101,812.62x = 152,764.29 × 39,487.98
  4. Step 4: Simplify right side
    101,812.62x = 6,032,353,228.23
  5. Step 5: Solve for x
    x = 6,032,353,228.23/101,812.62
  6. Step 6: Final answer
    x = 59,249.56

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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.