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Finding the Fourth Proportional to 184,138.80, 275,552.10 and 127,714.20

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Solution

The fourth proportional to 184,138.80, 275,552.10 and 127,714.20 is: 191,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,138.80 : 275,552.10 = 127,714.20 : x
  2. Step 2: Convert to fraction form
    184,138.80/275,552.10 = 127,714.20/x
  3. Step 3: Cross multiply
    184,138.80x = 275,552.10 × 127,714.20
  4. Step 4: Simplify right side
    184,138.80x = 35,191,916,009.82
  5. Step 5: Solve for x
    x = 35,191,916,009.82/184,138.80
  6. Step 6: Final answer
    x = 191,116.24

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1.5x scale

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.