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Finding the Fourth Proportional to 184,230.80, 275,690.10 and 127,806.20

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Solution

The fourth proportional to 184,230.80, 275,690.10 and 127,806.20 is: 191,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,230.80 : 275,690.10 = 127,806.20 : x
  2. Step 2: Convert to fraction form
    184,230.80/275,690.10 = 127,806.20/x
  3. Step 3: Cross multiply
    184,230.80x = 275,690.10 × 127,806.20
  4. Step 4: Simplify right side
    184,230.80x = 35,234,904,058.62
  5. Step 5: Solve for x
    x = 35,234,904,058.62/184,230.80
  6. Step 6: Final answer
    x = 191,254.14

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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.