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Finding the Fourth Proportional to 351,521.52, 527,372.16 and 102,203.52

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Solution

The fourth proportional to 351,521.52, 527,372.16 and 102,203.52 is: 153,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,521.52 : 527,372.16 = 102,203.52 : x
  2. Step 2: Convert to fraction form
    351,521.52/527,372.16 = 102,203.52/x
  3. Step 3: Cross multiply
    351,521.52x = 527,372.16 × 102,203.52
  4. Step 4: Simplify right side
    351,521.52x = 53,899,291,102.00
  5. Step 5: Solve for x
    x = 53,899,291,102.00/351,521.52
  6. Step 6: Final answer
    x = 153,331.41

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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.