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Finding the Fourth Proportional to 119,858.95, 179,570.37 and 69,787.24

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Solution

The fourth proportional to 119,858.95, 179,570.37 and 69,787.24 is: 104,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,858.95 : 179,570.37 = 69,787.24 : x
  2. Step 2: Convert to fraction form
    119,858.95/179,570.37 = 69,787.24/x
  3. Step 3: Cross multiply
    119,858.95x = 179,570.37 × 69,787.24
  4. Step 4: Simplify right side
    119,858.95x = 12,531,720,320.86
  5. Step 5: Solve for x
    x = 12,531,720,320.86/119,858.95
  6. Step 6: Final answer
    x = 104,553.90

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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.