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Finding the Fourth Proportional to 351,336.25, 527,018.96 and 102,018.25

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Solution

The fourth proportional to 351,336.25, 527,018.96 and 102,018.25 is: 153,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,336.25 : 527,018.96 = 102,018.25 : x
  2. Step 2: Convert to fraction form
    351,336.25/527,018.96 = 102,018.25/x
  3. Step 3: Cross multiply
    351,336.25x = 527,018.96 × 102,018.25
  4. Step 4: Simplify right side
    351,336.25x = 53,765,552,016.02
  5. Step 5: Solve for x
    x = 53,765,552,016.02/351,336.25
  6. Step 6: Final answer
    x = 153,031.61

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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.