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Finding the Fourth Proportional to 253,991.43, 350,381.30 and 162,153.63

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Solution

The fourth proportional to 253,991.43, 350,381.30 and 162,153.63 is: 223,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,991.43 : 350,381.30 = 162,153.63 : x
  2. Step 2: Convert to fraction form
    253,991.43/350,381.30 = 162,153.63/x
  3. Step 3: Cross multiply
    253,991.43x = 350,381.30 × 162,153.63
  4. Step 4: Simplify right side
    253,991.43x = 56,815,598,868.35
  5. Step 5: Solve for x
    x = 56,815,598,868.35/253,991.43
  6. Step 6: Final answer
    x = 223,691.01

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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.