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Finding the Fourth Proportional to 115,699.96, 173,351.82 and 63,146.32

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Solution

The fourth proportional to 115,699.96, 173,351.82 and 63,146.32 is: 94,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,699.96 : 173,351.82 = 63,146.32 : x
  2. Step 2: Convert to fraction form
    115,699.96/173,351.82 = 63,146.32/x
  3. Step 3: Cross multiply
    115,699.96x = 173,351.82 × 63,146.32
  4. Step 4: Simplify right side
    115,699.96x = 10,946,529,498.30
  5. Step 5: Solve for x
    x = 10,946,529,498.30/115,699.96
  6. Step 6: Final answer
    x = 94,611.35

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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.