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Finding the Fourth Proportional to 101,435.46, 152,162.10 and 26,555.28

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Solution

The fourth proportional to 101,435.46, 152,162.10 and 26,555.28 is: 39,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,435.46 : 152,162.10 = 26,555.28 : x
  2. Step 2: Convert to fraction form
    101,435.46/152,162.10 = 26,555.28/x
  3. Step 3: Cross multiply
    101,435.46x = 152,162.10 × 26,555.28
  4. Step 4: Simplify right side
    101,435.46x = 4,040,707,170.89
  5. Step 5: Solve for x
    x = 4,040,707,170.89/101,435.46
  6. Step 6: Final answer
    x = 39,835.25

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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.