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Finding the Fourth Proportional to 246,668.34, 340,468.12 and 139,301.22

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Solution

The fourth proportional to 246,668.34, 340,468.12 and 139,301.22 is: 192,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,668.34 : 340,468.12 = 139,301.22 : x
  2. Step 2: Convert to fraction form
    246,668.34/340,468.12 = 139,301.22/x
  3. Step 3: Cross multiply
    246,668.34x = 340,468.12 × 139,301.22
  4. Step 4: Simplify right side
    246,668.34x = 47,427,624,487.11
  5. Step 5: Solve for x
    x = 47,427,624,487.11/246,668.34
  6. Step 6: Final answer
    x = 192,272.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.