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Finding the Fourth Proportional to 255,377.32, 382,932.96 and 95,321.63

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Solution

The fourth proportional to 255,377.32, 382,932.96 and 95,321.63 is: 142,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,377.32 : 382,932.96 = 95,321.63 : x
  2. Step 2: Convert to fraction form
    255,377.32/382,932.96 = 95,321.63/x
  3. Step 3: Cross multiply
    255,377.32x = 382,932.96 × 95,321.63
  4. Step 4: Simplify right side
    255,377.32x = 36,501,793,927.92
  5. Step 5: Solve for x
    x = 36,501,793,927.92/255,377.32
  6. Step 6: Final answer
    x = 142,932.79

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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.