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Finding the Fourth Proportional to 103,740.82, 155,361.76 and 59,232.67

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Solution

The fourth proportional to 103,740.82, 155,361.76 and 59,232.67 is: 88,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,740.82 : 155,361.76 = 59,232.67 : x
  2. Step 2: Convert to fraction form
    103,740.82/155,361.76 = 59,232.67/x
  3. Step 3: Cross multiply
    103,740.82x = 155,361.76 × 59,232.67
  4. Step 4: Simplify right side
    103,740.82x = 9,202,491,088.44
  5. Step 5: Solve for x
    x = 9,202,491,088.44/103,740.82
  6. Step 6: Final answer
    x = 88,706.56

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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.