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Finding the Fourth Proportional to 134,791.68, 202,413.10 and 129,427.86

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Solution

The fourth proportional to 134,791.68, 202,413.10 and 129,427.86 is: 194,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791.68 : 202,413.10 = 129,427.86 : x
  2. Step 2: Convert to fraction form
    134,791.68/202,413.10 = 129,427.86/x
  3. Step 3: Cross multiply
    134,791.68x = 202,413.10 × 129,427.86
  4. Step 4: Simplify right side
    134,791.68x = 26,197,894,368.97
  5. Step 5: Solve for x
    x = 26,197,894,368.97/134,791.68
  6. Step 6: Final answer
    x = 194,358.39

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