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Finding the Fourth Proportional to 104,906.67, 157,425.59 and 42,577.17

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Solution

The fourth proportional to 104,906.67, 157,425.59 and 42,577.17 is: 63,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.67 : 157,425.59 = 42,577.17 : x
  2. Step 2: Convert to fraction form
    104,906.67/157,425.59 = 42,577.17/x
  3. Step 3: Cross multiply
    104,906.67x = 157,425.59 × 42,577.17
  4. Step 4: Simplify right side
    104,906.67x = 6,702,736,107.78
  5. Step 5: Solve for x
    x = 6,702,736,107.78/104,906.67
  6. Step 6: Final answer
    x = 63,892.37

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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.