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Finding the Fourth Proportional to 255,123.88, 352,049.49 and 150,331.21

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Solution

The fourth proportional to 255,123.88, 352,049.49 and 150,331.21 is: 207,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,123.88 : 352,049.49 = 150,331.21 : x
  2. Step 2: Convert to fraction form
    255,123.88/352,049.49 = 150,331.21/x
  3. Step 3: Cross multiply
    255,123.88x = 352,049.49 × 150,331.21
  4. Step 4: Simplify right side
    255,123.88x = 52,924,025,811.58
  5. Step 5: Solve for x
    x = 52,924,025,811.58/255,123.88
  6. Step 6: Final answer
    x = 207,444.42

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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.