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Finding the Fourth Proportional to 236,178.76, 354,268.52 and 71,862.62

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Solution

The fourth proportional to 236,178.76, 354,268.52 and 71,862.62 is: 107,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,178.76 : 354,268.52 = 71,862.62 : x
  2. Step 2: Convert to fraction form
    236,178.76/354,268.52 = 71,862.62/x
  3. Step 3: Cross multiply
    236,178.76x = 354,268.52 × 71,862.62
  4. Step 4: Simplify right side
    236,178.76x = 25,458,664,030.72
  5. Step 5: Solve for x
    x = 25,458,664,030.72/236,178.76
  6. Step 6: Final answer
    x = 107,794.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.