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Finding the Fourth Proportional to 292,637.96, 403,883.32 and 171,845.42

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Solution

The fourth proportional to 292,637.96, 403,883.32 and 171,845.42 is: 237,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,637.96 : 403,883.32 = 171,845.42 : x
  2. Step 2: Convert to fraction form
    292,637.96/403,883.32 = 171,845.42/x
  3. Step 3: Cross multiply
    292,637.96x = 403,883.32 × 171,845.42
  4. Step 4: Simplify right side
    292,637.96x = 69,405,498,756.39
  5. Step 5: Solve for x
    x = 69,405,498,756.39/292,637.96
  6. Step 6: Final answer
    x = 237,171.89

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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.