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Finding the Fourth Proportional to 246,591.90, 340,290.99 and 139,166.46

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Solution

The fourth proportional to 246,591.90, 340,290.99 and 139,166.46 is: 192,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,591.90 : 340,290.99 = 139,166.46 : x
  2. Step 2: Convert to fraction form
    246,591.90/340,290.99 = 139,166.46/x
  3. Step 3: Cross multiply
    246,591.90x = 340,290.99 × 139,166.46
  4. Step 4: Simplify right side
    246,591.90x = 47,357,092,448.20
  5. Step 5: Solve for x
    x = 47,357,092,448.20/246,591.90
  6. Step 6: Final answer
    x = 192,046.42

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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.