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Finding the Fourth Proportional to 292,268.71, 403,216.06 and 169,740.23

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Solution

The fourth proportional to 292,268.71, 403,216.06 and 169,740.23 is: 234,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,268.71 : 403,216.06 = 169,740.23 : x
  2. Step 2: Convert to fraction form
    292,268.71/403,216.06 = 169,740.23/x
  3. Step 3: Cross multiply
    292,268.71x = 403,216.06 × 169,740.23
  4. Step 4: Simplify right side
    292,268.71x = 68,441,986,764.09
  5. Step 5: Solve for x
    x = 68,441,986,764.09/292,268.71
  6. Step 6: Final answer
    x = 234,174.87

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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.