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Finding the Fourth Proportional to 114,942, 172,413.04 and 36,062.40

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Solution

The fourth proportional to 114,942, 172,413.04 and 36,062.40 is: 54,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942 : 172,413.04 = 36,062.40 : x
  2. Step 2: Convert to fraction form
    114,942/172,413.04 = 36,062.40/x
  3. Step 3: Cross multiply
    114,942x = 172,413.04 × 36,062.40
  4. Step 4: Simplify right side
    114,942x = 6,217,628,013.70
  5. Step 5: Solve for x
    x = 6,217,628,013.70/114,942
  6. Step 6: Final answer
    x = 54,093.61

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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.