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Finding the Fourth Proportional to 245,070.46, 367,344.33 and 139,662.46

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Solution

The fourth proportional to 245,070.46, 367,344.33 and 139,662.46 is: 209,344.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,070.46 : 367,344.33 = 139,662.46 : x
  2. Step 2: Convert to fraction form
    245,070.46/367,344.33 = 139,662.46/x
  3. Step 3: Cross multiply
    245,070.46x = 367,344.33 × 139,662.46
  4. Step 4: Simplify right side
    245,070.46x = 51,304,212,794.85
  5. Step 5: Solve for x
    x = 51,304,212,794.85/245,070.46
  6. Step 6: Final answer
    x = 209,344.74

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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.