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Finding the Fourth Proportional to 351,376.75, 527,079.71 and 102,058.75

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Solution

The fourth proportional to 351,376.75, 527,079.71 and 102,058.75 is: 153,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,376.75 : 527,079.71 = 102,058.75 : x
  2. Step 2: Convert to fraction form
    351,376.75/527,079.71 = 102,058.75/x
  3. Step 3: Cross multiply
    351,376.75x = 527,079.71 × 102,058.75
  4. Step 4: Simplify right side
    351,376.75x = 53,793,096,352.96
  5. Step 5: Solve for x
    x = 53,793,096,352.96/351,376.75
  6. Step 6: Final answer
    x = 153,092.36

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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.