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Finding the Fourth Proportional to 292,372.79, 403,481.07 and 171,601.16

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Solution

The fourth proportional to 292,372.79, 403,481.07 and 171,601.16 is: 236,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,372.79 : 403,481.07 = 171,601.16 : x
  2. Step 2: Convert to fraction form
    292,372.79/403,481.07 = 171,601.16/x
  3. Step 3: Cross multiply
    292,372.79x = 403,481.07 × 171,601.16
  4. Step 4: Simplify right side
    292,372.79x = 69,237,817,632.64
  5. Step 5: Solve for x
    x = 69,237,817,632.64/292,372.79
  6. Step 6: Final answer
    x = 236,813.48

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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.