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Finding the Fourth Proportional to 101,838.89, 152,721.88 and 35,261.15

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Solution

The fourth proportional to 101,838.89, 152,721.88 and 35,261.15 is: 52,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,838.89 : 152,721.88 = 35,261.15 : x
  2. Step 2: Convert to fraction form
    101,838.89/152,721.88 = 35,261.15/x
  3. Step 3: Cross multiply
    101,838.89x = 152,721.88 × 35,261.15
  4. Step 4: Simplify right side
    101,838.89x = 5,385,149,118.96
  5. Step 5: Solve for x
    x = 5,385,149,118.96/101,838.89
  6. Step 6: Final answer
    x = 52,879.10

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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.