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Finding the Fourth Proportional to 351,328.88, 527,007.89 and 102,010.88

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Solution

The fourth proportional to 351,328.88, 527,007.89 and 102,010.88 is: 153,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,328.88 : 527,007.89 = 102,010.88 : x
  2. Step 2: Convert to fraction form
    351,328.88/527,007.89 = 102,010.88/x
  3. Step 3: Cross multiply
    351,328.88x = 527,007.89 × 102,010.88
  4. Step 4: Simplify right side
    351,328.88x = 53,760,538,625.84
  5. Step 5: Solve for x
    x = 53,760,538,625.84/351,328.88
  6. Step 6: Final answer
    x = 153,020.55

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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.