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Finding the Fourth Proportional to 137,351.90, 205,964.40 and 62,469.02

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Solution

The fourth proportional to 137,351.90, 205,964.40 and 62,469.02 is: 93,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,351.90 : 205,964.40 = 62,469.02 : x
  2. Step 2: Convert to fraction form
    137,351.90/205,964.40 = 62,469.02/x
  3. Step 3: Cross multiply
    137,351.90x = 205,964.40 × 62,469.02
  4. Step 4: Simplify right side
    137,351.90x = 12,866,394,222.89
  5. Step 5: Solve for x
    x = 12,866,394,222.89/137,351.90
  6. Step 6: Final answer
    x = 93,674.67

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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.