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Finding the Fourth Proportional to 247,174.88, 370,475.84 and 113,775.04

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Solution

The fourth proportional to 247,174.88, 370,475.84 and 113,775.04 is: 170,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,174.88 : 370,475.84 = 113,775.04 : x
  2. Step 2: Convert to fraction form
    247,174.88/370,475.84 = 113,775.04/x
  3. Step 3: Cross multiply
    247,174.88x = 370,475.84 × 113,775.04
  4. Step 4: Simplify right side
    247,174.88x = 42,150,903,515.03
  5. Step 5: Solve for x
    x = 42,150,903,515.03/247,174.88
  6. Step 6: Final answer
    x = 170,530.69

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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.