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Finding the Fourth Proportional to 351,378.25, 527,081.96 and 102,060.25

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Solution

The fourth proportional to 351,378.25, 527,081.96 and 102,060.25 is: 153,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,378.25 : 527,081.96 = 102,060.25 : x
  2. Step 2: Convert to fraction form
    351,378.25/527,081.96 = 102,060.25/x
  3. Step 3: Cross multiply
    351,378.25x = 527,081.96 × 102,060.25
  4. Step 4: Simplify right side
    351,378.25x = 53,794,116,608.09
  5. Step 5: Solve for x
    x = 53,794,116,608.09/351,378.25
  6. Step 6: Final answer
    x = 153,094.61

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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.