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Finding the Fourth Proportional to 248,472.90, 342,805.17 and 162,482.22

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Solution

The fourth proportional to 248,472.90, 342,805.17 and 162,482.22 is: 224,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,472.90 : 342,805.17 = 162,482.22 : x
  2. Step 2: Convert to fraction form
    248,472.90/342,805.17 = 162,482.22/x
  3. Step 3: Cross multiply
    248,472.90x = 342,805.17 × 162,482.22
  4. Step 4: Simplify right side
    248,472.90x = 55,699,745,049.08
  5. Step 5: Solve for x
    x = 55,699,745,049.08/248,472.90
  6. Step 6: Final answer
    x = 224,168.29

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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.