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Finding the Fourth Proportional to 101,479.50, 152,219.90 and 26,599

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Solution

The fourth proportional to 101,479.50, 152,219.90 and 26,599 is: 39,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,479.50 : 152,219.90 = 26,599 : x
  2. Step 2: Convert to fraction form
    101,479.50/152,219.90 = 26,599/x
  3. Step 3: Cross multiply
    101,479.50x = 152,219.90 × 26,599
  4. Step 4: Simplify right side
    101,479.50x = 4,048,897,120.10
  5. Step 5: Solve for x
    x = 4,048,897,120.10/101,479.50
  6. Step 6: Final answer
    x = 39,898.67

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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.