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Finding the Fourth Proportional to 163,211.90, 244,817.85 and 163,211.90

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Solution

The fourth proportional to 163,211.90, 244,817.85 and 163,211.90 is: 244,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,211.90 : 244,817.85 = 163,211.90 : x
  2. Step 2: Convert to fraction form
    163,211.90/244,817.85 = 163,211.90/x
  3. Step 3: Cross multiply
    163,211.90x = 244,817.85 × 163,211.90
  4. Step 4: Simplify right side
    163,211.90x = 39,957,186,452.42
  5. Step 5: Solve for x
    x = 39,957,186,452.42/163,211.90
  6. Step 6: Final answer
    x = 244,817.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.