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Finding the Fourth Proportional to 115,496.10, 173,114.55 and 65,600.10

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Solution

The fourth proportional to 115,496.10, 173,114.55 and 65,600.10 is: 98,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,496.10 : 173,114.55 = 65,600.10 : x
  2. Step 2: Convert to fraction form
    115,496.10/173,114.55 = 65,600.10/x
  3. Step 3: Cross multiply
    115,496.10x = 173,114.55 × 65,600.10
  4. Step 4: Simplify right side
    115,496.10x = 11,356,331,791.46
  5. Step 5: Solve for x
    x = 11,356,331,791.46/115,496.10
  6. Step 6: Final answer
    x = 98,326.54

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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.