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Finding the Fourth Proportional to 253,772.56, 350,047.68 and 163,246.48

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Solution

The fourth proportional to 253,772.56, 350,047.68 and 163,246.48 is: 225,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,772.56 : 350,047.68 = 163,246.48 : x
  2. Step 2: Convert to fraction form
    253,772.56/350,047.68 = 163,246.48/x
  3. Step 3: Cross multiply
    253,772.56x = 350,047.68 × 163,246.48
  4. Step 4: Simplify right side
    253,772.56x = 57,144,051,592.17
  5. Step 5: Solve for x
    x = 57,144,051,592.17/253,772.56
  6. Step 6: Final answer
    x = 225,178.21

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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.