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Finding the Fourth Proportional to 184,413.30, 275,963.85 and 127,988.70

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Solution

The fourth proportional to 184,413.30, 275,963.85 and 127,988.70 is: 191,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,413.30 : 275,963.85 = 127,988.70 : x
  2. Step 2: Convert to fraction form
    184,413.30/275,963.85 = 127,988.70/x
  3. Step 3: Cross multiply
    184,413.30x = 275,963.85 × 127,988.70
  4. Step 4: Simplify right side
    184,413.30x = 35,320,254,408.50
  5. Step 5: Solve for x
    x = 35,320,254,408.50/184,413.30
  6. Step 6: Final answer
    x = 191,527.70

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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.