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Finding the Fourth Proportional to 292,662.24, 403,865.64 and 171,801.60

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Solution

The fourth proportional to 292,662.24, 403,865.64 and 171,801.60 is: 237,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,662.24 : 403,865.64 = 171,801.60 : x
  2. Step 2: Convert to fraction form
    292,662.24/403,865.64 = 171,801.60/x
  3. Step 3: Cross multiply
    292,662.24x = 403,865.64 × 171,801.60
  4. Step 4: Simplify right side
    292,662.24x = 69,384,763,137.02
  5. Step 5: Solve for x
    x = 69,384,763,137.02/292,662.24
  6. Step 6: Final answer
    x = 237,081.36

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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.