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Finding the Fourth Proportional to 100,251.99, 150,319.65 and 37,927.35

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Solution

The fourth proportional to 100,251.99, 150,319.65 and 37,927.35 is: 56,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,251.99 : 150,319.65 = 37,927.35 : x
  2. Step 2: Convert to fraction form
    100,251.99/150,319.65 = 37,927.35/x
  3. Step 3: Cross multiply
    100,251.99x = 150,319.65 × 37,927.35
  4. Step 4: Simplify right side
    100,251.99x = 5,701,225,977.43
  5. Step 5: Solve for x
    x = 5,701,225,977.43/100,251.99
  6. Step 6: Final answer
    x = 56,868.96

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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.