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Finding the Fourth Proportional to 291,960.52, 437,746.22 and 104,947.72

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Solution

The fourth proportional to 291,960.52, 437,746.22 and 104,947.72 is: 157,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,960.52 : 437,746.22 = 104,947.72 : x
  2. Step 2: Convert to fraction form
    291,960.52/437,746.22 = 104,947.72/x
  3. Step 3: Cross multiply
    291,960.52x = 437,746.22 × 104,947.72
  4. Step 4: Simplify right side
    291,960.52x = 45,940,467,727.62
  5. Step 5: Solve for x
    x = 45,940,467,727.62/291,960.52
  6. Step 6: Final answer
    x = 157,351.64

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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.