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Finding the Fourth Proportional to 292,046.88, 403,160.64 and 171,171.36

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Solution

The fourth proportional to 292,046.88, 403,160.64 and 171,171.36 is: 236,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,046.88 : 403,160.64 = 171,171.36 : x
  2. Step 2: Convert to fraction form
    292,046.88/403,160.64 = 171,171.36/x
  3. Step 3: Cross multiply
    292,046.88x = 403,160.64 × 171,171.36
  4. Step 4: Simplify right side
    292,046.88x = 69,009,555,047.27
  5. Step 5: Solve for x
    x = 69,009,555,047.27/292,046.88
  6. Step 6: Final answer
    x = 236,296.16

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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.