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Finding the Fourth Proportional to 255,124.57, 352,115.06 and 147,759.88

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Solution

The fourth proportional to 255,124.57, 352,115.06 and 147,759.88 is: 203,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,124.57 : 352,115.06 = 147,759.88 : x
  2. Step 2: Convert to fraction form
    255,124.57/352,115.06 = 147,759.88/x
  3. Step 3: Cross multiply
    255,124.57x = 352,115.06 × 147,759.88
  4. Step 4: Simplify right side
    255,124.57x = 52,028,479,011.79
  5. Step 5: Solve for x
    x = 52,028,479,011.79/255,124.57
  6. Step 6: Final answer
    x = 203,933.63

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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.