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Finding the Fourth Proportional to 115,808.52, 173,745.64 and 59,689.74

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Solution

The fourth proportional to 115,808.52, 173,745.64 and 59,689.74 is: 89,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,808.52 : 173,745.64 = 59,689.74 : x
  2. Step 2: Convert to fraction form
    115,808.52/173,745.64 = 59,689.74/x
  3. Step 3: Cross multiply
    115,808.52x = 173,745.64 × 59,689.74
  4. Step 4: Simplify right side
    115,808.52x = 10,370,832,077.73
  5. Step 5: Solve for x
    x = 10,370,832,077.73/115,808.52
  6. Step 6: Final answer
    x = 89,551.55

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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.