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Finding the Fourth Proportional to 235,639.13, 353,453.42 and 58,147.67

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Solution

The fourth proportional to 235,639.13, 353,453.42 and 58,147.67 is: 87,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,639.13 : 353,453.42 = 58,147.67 : x
  2. Step 2: Convert to fraction form
    235,639.13/353,453.42 = 58,147.67/x
  3. Step 3: Cross multiply
    235,639.13x = 353,453.42 × 58,147.67
  4. Step 4: Simplify right side
    235,639.13x = 20,552,493,855.53
  5. Step 5: Solve for x
    x = 20,552,493,855.53/235,639.13
  6. Step 6: Final answer
    x = 87,220.21

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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.