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Finding the Fourth Proportional to 291,973.67, 402,847.42 and 171,049.96

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Solution

The fourth proportional to 291,973.67, 402,847.42 and 171,049.96 is: 236,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,973.67 : 402,847.42 = 171,049.96 : x
  2. Step 2: Convert to fraction form
    291,973.67/402,847.42 = 171,049.96/x
  3. Step 3: Cross multiply
    291,973.67x = 402,847.42 × 171,049.96
  4. Step 4: Simplify right side
    291,973.67x = 68,907,032,887.02
  5. Step 5: Solve for x
    x = 68,907,032,887.02/291,973.67
  6. Step 6: Final answer
    x = 236,004.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.