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Finding the Fourth Proportional to 185,814.80, 256,530.82 and 122,337.13

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Solution

The fourth proportional to 185,814.80, 256,530.82 and 122,337.13 is: 168,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,814.80 : 256,530.82 = 122,337.13 : x
  2. Step 2: Convert to fraction form
    185,814.80/256,530.82 = 122,337.13/x
  3. Step 3: Cross multiply
    185,814.80x = 256,530.82 × 122,337.13
  4. Step 4: Simplify right side
    185,814.80x = 31,383,244,275.35
  5. Step 5: Solve for x
    x = 31,383,244,275.35/185,814.80
  6. Step 6: Final answer
    x = 168,895.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.