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Finding the Fourth Proportional to 184,513.60, 276,770.40 and 127,432.90

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Solution

The fourth proportional to 184,513.60, 276,770.40 and 127,432.90 is: 191,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,513.60 : 276,770.40 = 127,432.90 : x
  2. Step 2: Convert to fraction form
    184,513.60/276,770.40 = 127,432.90/x
  3. Step 3: Cross multiply
    184,513.60x = 276,770.40 × 127,432.90
  4. Step 4: Simplify right side
    184,513.60x = 35,269,654,706.16
  5. Step 5: Solve for x
    x = 35,269,654,706.16/184,513.60
  6. Step 6: Final answer
    x = 191,149.35

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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.