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Finding the Fourth Proportional to 101,389.32, 152,103.96 and 34,813.26

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Solution

The fourth proportional to 101,389.32, 152,103.96 and 34,813.26 is: 52,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,389.32 : 152,103.96 = 34,813.26 : x
  2. Step 2: Convert to fraction form
    101,389.32/152,103.96 = 34,813.26/x
  3. Step 3: Cross multiply
    101,389.32x = 152,103.96 × 34,813.26
  4. Step 4: Simplify right side
    101,389.32x = 5,295,234,706.51
  5. Step 5: Solve for x
    x = 5,295,234,706.51/101,389.32
  6. Step 6: Final answer
    x = 52,226.75

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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.