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Finding the Fourth Proportional to 235,175.32, 352,811.58 and 77,413.24

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Solution

The fourth proportional to 235,175.32, 352,811.58 and 77,413.24 is: 116,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,175.32 : 352,811.58 = 77,413.24 : x
  2. Step 2: Convert to fraction form
    235,175.32/352,811.58 = 77,413.24/x
  3. Step 3: Cross multiply
    235,175.32x = 352,811.58 × 77,413.24
  4. Step 4: Simplify right side
    235,175.32x = 27,312,287,517.32
  5. Step 5: Solve for x
    x = 27,312,287,517.32/235,175.32
  6. Step 6: Final answer
    x = 116,135.86

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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.