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Finding the Fourth Proportional to 154,462.60, 231,839.70 and 95,413.60

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Solution

The fourth proportional to 154,462.60, 231,839.70 and 95,413.60 is: 143,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,462.60 : 231,839.70 = 95,413.60 : x
  2. Step 2: Convert to fraction form
    154,462.60/231,839.70 = 95,413.60/x
  3. Step 3: Cross multiply
    154,462.60x = 231,839.70 × 95,413.60
  4. Step 4: Simplify right side
    154,462.60x = 22,120,660,399.92
  5. Step 5: Solve for x
    x = 22,120,660,399.92/154,462.60
  6. Step 6: Final answer
    x = 143,210.46

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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.