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Finding the Fourth Proportional to 293,163.76, 404,575.92 and 172,303.32

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Solution

The fourth proportional to 293,163.76, 404,575.92 and 172,303.32 is: 237,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,163.76 : 404,575.92 = 172,303.32 : x
  2. Step 2: Convert to fraction form
    293,163.76/404,575.92 = 172,303.32/x
  3. Step 3: Cross multiply
    293,163.76x = 404,575.92 × 172,303.32
  4. Step 4: Simplify right side
    293,163.76x = 69,709,774,208.05
  5. Step 5: Solve for x
    x = 69,709,774,208.05/293,163.76
  6. Step 6: Final answer
    x = 237,784.42

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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.