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Finding the Fourth Proportional to 253,085.92, 379,654.80 and 95,446.96

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Solution

The fourth proportional to 253,085.92, 379,654.80 and 95,446.96 is: 143,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,085.92 : 379,654.80 = 95,446.96 : x
  2. Step 2: Convert to fraction form
    253,085.92/379,654.80 = 95,446.96/x
  3. Step 3: Cross multiply
    253,085.92x = 379,654.80 × 95,446.96
  4. Step 4: Simplify right side
    253,085.92x = 36,236,896,509.41
  5. Step 5: Solve for x
    x = 36,236,896,509.41/253,085.92
  6. Step 6: Final answer
    x = 143,180.22

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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.