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Finding the Fourth Proportional to 292,633.92, 403,867.59 and 165,317.71

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Solution

The fourth proportional to 292,633.92, 403,867.59 and 165,317.71 is: 228,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,633.92 : 403,867.59 = 165,317.71 : x
  2. Step 2: Convert to fraction form
    292,633.92/403,867.59 = 165,317.71/x
  3. Step 3: Cross multiply
    292,633.92x = 403,867.59 × 165,317.71
  4. Step 4: Simplify right side
    292,633.92x = 66,766,465,122.02
  5. Step 5: Solve for x
    x = 66,766,465,122.02/292,633.92
  6. Step 6: Final answer
    x = 228,156.96

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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.