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Finding the Fourth Proportional to 292,637.92, 403,873.11 and 165,321.71

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Solution

The fourth proportional to 292,637.92, 403,873.11 and 165,321.71 is: 228,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,637.92 : 403,873.11 = 165,321.71 : x
  2. Step 2: Convert to fraction form
    292,637.92/403,873.11 = 165,321.71/x
  3. Step 3: Cross multiply
    292,637.92x = 403,873.11 × 165,321.71
  4. Step 4: Simplify right side
    292,637.92x = 66,768,993,168.22
  5. Step 5: Solve for x
    x = 66,768,993,168.22/292,637.92
  6. Step 6: Final answer
    x = 228,162.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.