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Finding the Fourth Proportional to 74,347.54, 111,543.14 and 29,951.46

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Solution

The fourth proportional to 74,347.54, 111,543.14 and 29,951.46 is: 44,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,347.54 : 111,543.14 = 29,951.46 : x
  2. Step 2: Convert to fraction form
    74,347.54/111,543.14 = 29,951.46/x
  3. Step 3: Cross multiply
    74,347.54x = 111,543.14 × 29,951.46
  4. Step 4: Simplify right side
    74,347.54x = 3,340,879,413.15
  5. Step 5: Solve for x
    x = 3,340,879,413.15/74,347.54
  6. Step 6: Final answer
    x = 44,935.98

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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.