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Finding the Fourth Proportional to 253,920.88, 350,244.16 and 163,133.65

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Solution

The fourth proportional to 253,920.88, 350,244.16 and 163,133.65 is: 225,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,920.88 : 350,244.16 = 163,133.65 : x
  2. Step 2: Convert to fraction form
    253,920.88/350,244.16 = 163,133.65/x
  3. Step 3: Cross multiply
    253,920.88x = 350,244.16 × 163,133.65
  4. Step 4: Simplify right side
    253,920.88x = 57,136,608,211.98
  5. Step 5: Solve for x
    x = 57,136,608,211.98/253,920.88
  6. Step 6: Final answer
    x = 225,017.37

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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.