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Finding the Fourth Proportional to 103,267.32, 154,866.42 and 33,129.96

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Solution

The fourth proportional to 103,267.32, 154,866.42 and 33,129.96 is: 49,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,267.32 : 154,866.42 = 33,129.96 : x
  2. Step 2: Convert to fraction form
    103,267.32/154,866.42 = 33,129.96/x
  3. Step 3: Cross multiply
    103,267.32x = 154,866.42 × 33,129.96
  4. Step 4: Simplify right side
    103,267.32x = 5,130,718,299.94
  5. Step 5: Solve for x
    x = 5,130,718,299.94/103,267.32
  6. Step 6: Final answer
    x = 49,683.85

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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.