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Finding the Fourth Proportional to 164,439.80, 246,659.70 and 111,951.80

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Solution

The fourth proportional to 164,439.80, 246,659.70 and 111,951.80 is: 167,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,439.80 : 246,659.70 = 111,951.80 : x
  2. Step 2: Convert to fraction form
    164,439.80/246,659.70 = 111,951.80/x
  3. Step 3: Cross multiply
    164,439.80x = 246,659.70 × 111,951.80
  4. Step 4: Simplify right side
    164,439.80x = 27,613,997,402.46
  5. Step 5: Solve for x
    x = 27,613,997,402.46/164,439.80
  6. Step 6: Final answer
    x = 167,927.70

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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.