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Finding the Fourth Proportional to 104,111.52, 143,575.56 and 68,332.56

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Solution

The fourth proportional to 104,111.52, 143,575.56 and 68,332.56 is: 94,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,111.52 : 143,575.56 = 68,332.56 : x
  2. Step 2: Convert to fraction form
    104,111.52/143,575.56 = 68,332.56/x
  3. Step 3: Cross multiply
    104,111.52x = 143,575.56 × 68,332.56
  4. Step 4: Simplify right side
    104,111.52x = 9,810,885,568.23
  5. Step 5: Solve for x
    x = 9,810,885,568.23/104,111.52
  6. Step 6: Final answer
    x = 94,234.39

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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.