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Finding the Fourth Proportional to 247,438.44, 371,110.28 and 105,362.01

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Solution

The fourth proportional to 247,438.44, 371,110.28 and 105,362.01 is: 158,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,438.44 : 371,110.28 = 105,362.01 : x
  2. Step 2: Convert to fraction form
    247,438.44/371,110.28 = 105,362.01/x
  3. Step 3: Cross multiply
    247,438.44x = 371,110.28 × 105,362.01
  4. Step 4: Simplify right side
    247,438.44x = 39,100,924,505.65
  5. Step 5: Solve for x
    x = 39,100,924,505.65/247,438.44
  6. Step 6: Final answer
    x = 158,022.84

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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.