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Finding the Fourth Proportional to 117,677.73, 176,461.14 and 42,745.05

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Solution

The fourth proportional to 117,677.73, 176,461.14 and 42,745.05 is: 64,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,677.73 : 176,461.14 = 42,745.05 : x
  2. Step 2: Convert to fraction form
    117,677.73/176,461.14 = 42,745.05/x
  3. Step 3: Cross multiply
    117,677.73x = 176,461.14 × 42,745.05
  4. Step 4: Simplify right side
    117,677.73x = 7,542,840,252.36
  5. Step 5: Solve for x
    x = 7,542,840,252.36/117,677.73
  6. Step 6: Final answer
    x = 64,097.43

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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.