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Finding the Fourth Proportional to 262,041.72, 361,505.52 and 171,240.08

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Solution

The fourth proportional to 262,041.72, 361,505.52 and 171,240.08 is: 236,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,041.72 : 361,505.52 = 171,240.08 : x
  2. Step 2: Convert to fraction form
    262,041.72/361,505.52 = 171,240.08/x
  3. Step 3: Cross multiply
    262,041.72x = 361,505.52 × 171,240.08
  4. Step 4: Simplify right side
    262,041.72x = 61,904,234,165.24
  5. Step 5: Solve for x
    x = 61,904,234,165.24/262,041.72
  6. Step 6: Final answer
    x = 236,238.09

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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.