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Finding the Fourth Proportional to 114,490.90, 171,736.35 and 52,282.90

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Solution

The fourth proportional to 114,490.90, 171,736.35 and 52,282.90 is: 78,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,490.90 : 171,736.35 = 52,282.90 : x
  2. Step 2: Convert to fraction form
    114,490.90/171,736.35 = 52,282.90/x
  3. Step 3: Cross multiply
    114,490.90x = 171,736.35 × 52,282.90
  4. Step 4: Simplify right side
    114,490.90x = 8,978,874,413.42
  5. Step 5: Solve for x
    x = 8,978,874,413.42/114,490.90
  6. Step 6: Final answer
    x = 78,424.35

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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.