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Finding the Fourth Proportional to 100,674.32, 151,007.99 and 25,795.08

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Solution

The fourth proportional to 100,674.32, 151,007.99 and 25,795.08 is: 38,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,674.32 : 151,007.99 = 25,795.08 : x
  2. Step 2: Convert to fraction form
    100,674.32/151,007.99 = 25,795.08/x
  3. Step 3: Cross multiply
    100,674.32x = 151,007.99 × 25,795.08
  4. Step 4: Simplify right side
    100,674.32x = 3,895,263,053.71
  5. Step 5: Solve for x
    x = 3,895,263,053.71/100,674.32
  6. Step 6: Final answer
    x = 38,691.73

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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.