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Finding the Fourth Proportional to 235,173.88, 352,804.56 and 77,413.42

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Solution

The fourth proportional to 235,173.88, 352,804.56 and 77,413.42 is: 116,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,173.88 : 352,804.56 = 77,413.42 : x
  2. Step 2: Convert to fraction form
    235,173.88/352,804.56 = 77,413.42/x
  3. Step 3: Cross multiply
    235,173.88x = 352,804.56 × 77,413.42
  4. Step 4: Simplify right side
    235,173.88x = 27,311,805,817.17
  5. Step 5: Solve for x
    x = 27,311,805,817.17/235,173.88
  6. Step 6: Final answer
    x = 116,134.52

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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.