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Finding the Fourth Proportional to 74,435.76, 111,454.52 and 62,625.96

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Solution

The fourth proportional to 74,435.76, 111,454.52 and 62,625.96 is: 93,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.76 : 111,454.52 = 62,625.96 : x
  2. Step 2: Convert to fraction form
    74,435.76/111,454.52 = 62,625.96/x
  3. Step 3: Cross multiply
    74,435.76x = 111,454.52 × 62,625.96
  4. Step 4: Simplify right side
    74,435.76x = 6,979,945,998.21
  5. Step 5: Solve for x
    x = 6,979,945,998.21/74,435.76
  6. Step 6: Final answer
    x = 93,771.41

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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.