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Finding the Fourth Proportional to 115,294.35, 172,994.08 and 59,173.87

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Solution

The fourth proportional to 115,294.35, 172,994.08 and 59,173.87 is: 88,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,294.35 : 172,994.08 = 59,173.87 : x
  2. Step 2: Convert to fraction form
    115,294.35/172,994.08 = 59,173.87/x
  3. Step 3: Cross multiply
    115,294.35x = 172,994.08 × 59,173.87
  4. Step 4: Simplify right side
    115,294.35x = 10,236,729,049.22
  5. Step 5: Solve for x
    x = 10,236,729,049.22/115,294.35
  6. Step 6: Final answer
    x = 88,787.77

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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.