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Finding the Fourth Proportional to 60,808.60, 91,285.80 and 34,175.80

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Solution

The fourth proportional to 60,808.60, 91,285.80 and 34,175.80 is: 51,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,808.60 : 91,285.80 = 34,175.80 : x
  2. Step 2: Convert to fraction form
    60,808.60/91,285.80 = 34,175.80/x
  3. Step 3: Cross multiply
    60,808.60x = 91,285.80 × 34,175.80
  4. Step 4: Simplify right side
    60,808.60x = 3,119,765,243.64
  5. Step 5: Solve for x
    x = 3,119,765,243.64/60,808.60
  6. Step 6: Final answer
    x = 51,304.67

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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.