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Finding the Fourth Proportional to 253,522.56, 350,098.20 and 163,035.66

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Solution

The fourth proportional to 253,522.56, 350,098.20 and 163,035.66 is: 225,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,522.56 : 350,098.20 = 163,035.66 : x
  2. Step 2: Convert to fraction form
    253,522.56/350,098.20 = 163,035.66/x
  3. Step 3: Cross multiply
    253,522.56x = 350,098.20 × 163,035.66
  4. Step 4: Simplify right side
    253,522.56x = 57,078,491,101.81
  5. Step 5: Solve for x
    x = 57,078,491,101.81/253,522.56
  6. Step 6: Final answer
    x = 225,141.66

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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.