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Finding the Fourth Proportional to 265,909.67, 366,960.47 and 145,055.39

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Solution

The fourth proportional to 265,909.67, 366,960.47 and 145,055.39 is: 200,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,909.67 : 366,960.47 = 145,055.39 : x
  2. Step 2: Convert to fraction form
    265,909.67/366,960.47 = 145,055.39/x
  3. Step 3: Cross multiply
    265,909.67x = 366,960.47 × 145,055.39
  4. Step 4: Simplify right side
    265,909.67x = 53,229,595,370.47
  5. Step 5: Solve for x
    x = 53,229,595,370.47/265,909.67
  6. Step 6: Final answer
    x = 200,179.24

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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.