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Finding the Fourth Proportional to 115,863.16, 173,500.62 and 97,093.84

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Solution

The fourth proportional to 115,863.16, 173,500.62 and 97,093.84 is: 145,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,863.16 : 173,500.62 = 97,093.84 : x
  2. Step 2: Convert to fraction form
    115,863.16/173,500.62 = 97,093.84/x
  3. Step 3: Cross multiply
    115,863.16x = 173,500.62 × 97,093.84
  4. Step 4: Simplify right side
    115,863.16x = 16,845,841,438.18
  5. Step 5: Solve for x
    x = 16,845,841,438.18/115,863.16
  6. Step 6: Final answer
    x = 145,394.29

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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.