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Finding the Fourth Proportional to 88,759.50, 133,205.37 and 65,128.11

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Solution

The fourth proportional to 88,759.50, 133,205.37 and 65,128.11 is: 97,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,759.50 : 133,205.37 = 65,128.11 : x
  2. Step 2: Convert to fraction form
    88,759.50/133,205.37 = 65,128.11/x
  3. Step 3: Cross multiply
    88,759.50x = 133,205.37 × 65,128.11
  4. Step 4: Simplify right side
    88,759.50x = 8,675,413,989.95
  5. Step 5: Solve for x
    x = 8,675,413,989.95/88,759.50
  6. Step 6: Final answer
    x = 97,740.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.