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Finding the Fourth Proportional to 247,173.88, 370,474.34 and 113,774.04

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Solution

The fourth proportional to 247,173.88, 370,474.34 and 113,774.04 is: 170,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,173.88 : 370,474.34 = 113,774.04 : x
  2. Step 2: Convert to fraction form
    247,173.88/370,474.34 = 113,774.04/x
  3. Step 3: Cross multiply
    247,173.88x = 370,474.34 × 113,774.04
  4. Step 4: Simplify right side
    247,173.88x = 42,150,362,378.13
  5. Step 5: Solve for x
    x = 42,150,362,378.13/247,173.88
  6. Step 6: Final answer
    x = 170,529.19

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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.