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Finding the Fourth Proportional to 163,045.70, 244,556.40 and 68,251.40

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Solution

The fourth proportional to 163,045.70, 244,556.40 and 68,251.40 is: 102,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,045.70 : 244,556.40 = 68,251.40 : x
  2. Step 2: Convert to fraction form
    163,045.70/244,556.40 = 68,251.40/x
  3. Step 3: Cross multiply
    163,045.70x = 244,556.40 × 68,251.40
  4. Step 4: Simplify right side
    163,045.70x = 16,691,316,678.96
  5. Step 5: Solve for x
    x = 16,691,316,678.96/163,045.70
  6. Step 6: Final answer
    x = 102,372.01

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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.