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Finding the Fourth Proportional to 185,759.79, 256,394.46 and 105,234.80

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Solution

The fourth proportional to 185,759.79, 256,394.46 and 105,234.80 is: 145,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,759.79 : 256,394.46 = 105,234.80 : x
  2. Step 2: Convert to fraction form
    185,759.79/256,394.46 = 105,234.80/x
  3. Step 3: Cross multiply
    185,759.79x = 256,394.46 × 105,234.80
  4. Step 4: Simplify right side
    185,759.79x = 26,981,618,437.24
  5. Step 5: Solve for x
    x = 26,981,618,437.24/185,759.79
  6. Step 6: Final answer
    x = 145,250.05

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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.