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Finding the Fourth Proportional to 102,606.36, 141,597.36 and 60,165.60

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Solution

The fourth proportional to 102,606.36, 141,597.36 and 60,165.60 is: 83,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,606.36 : 141,597.36 = 60,165.60 : x
  2. Step 2: Convert to fraction form
    102,606.36/141,597.36 = 60,165.60/x
  3. Step 3: Cross multiply
    102,606.36x = 141,597.36 × 60,165.60
  4. Step 4: Simplify right side
    102,606.36x = 8,519,290,122.82
  5. Step 5: Solve for x
    x = 8,519,290,122.82/102,606.36
  6. Step 6: Final answer
    x = 83,028.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.