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Finding the Fourth Proportional to 122,859.75, 184,204.11 and 54,434.16

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Solution

The fourth proportional to 122,859.75, 184,204.11 and 54,434.16 is: 81,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,859.75 : 184,204.11 = 54,434.16 : x
  2. Step 2: Convert to fraction form
    122,859.75/184,204.11 = 54,434.16/x
  3. Step 3: Cross multiply
    122,859.75x = 184,204.11 × 54,434.16
  4. Step 4: Simplify right side
    122,859.75x = 10,026,995,996.40
  5. Step 5: Solve for x
    x = 10,026,995,996.40/122,859.75
  6. Step 6: Final answer
    x = 81,613.35

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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.