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Finding the Fourth Proportional to 315,266.52, 472,798.26 and 104,847.96

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Solution

The fourth proportional to 315,266.52, 472,798.26 and 104,847.96 is: 157,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,266.52 : 472,798.26 = 104,847.96 : x
  2. Step 2: Convert to fraction form
    315,266.52/472,798.26 = 104,847.96/x
  3. Step 3: Cross multiply
    315,266.52x = 472,798.26 × 104,847.96
  4. Step 4: Simplify right side
    315,266.52x = 49,571,933,052.55
  5. Step 5: Solve for x
    x = 49,571,933,052.55/315,266.52
  6. Step 6: Final answer
    x = 157,238.18

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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.