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Finding the Fourth Proportional to 185,213.88, 277,820.82 and 123,005.88

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Solution

The fourth proportional to 185,213.88, 277,820.82 and 123,005.88 is: 184,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,213.88 : 277,820.82 = 123,005.88 : x
  2. Step 2: Convert to fraction form
    185,213.88/277,820.82 = 123,005.88/x
  3. Step 3: Cross multiply
    185,213.88x = 277,820.82 × 123,005.88
  4. Step 4: Simplify right side
    185,213.88x = 34,173,594,446.42
  5. Step 5: Solve for x
    x = 34,173,594,446.42/185,213.88
  6. Step 6: Final answer
    x = 184,508.82

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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.