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Finding the Fourth Proportional to 246,663.68, 340,411.20 and 139,194.50

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Solution

The fourth proportional to 246,663.68, 340,411.20 and 139,194.50 is: 192,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,663.68 : 340,411.20 = 139,194.50 : x
  2. Step 2: Convert to fraction form
    246,663.68/340,411.20 = 139,194.50/x
  3. Step 3: Cross multiply
    246,663.68x = 340,411.20 × 139,194.50
  4. Step 4: Simplify right side
    246,663.68x = 47,383,366,778.40
  5. Step 5: Solve for x
    x = 47,383,366,778.40/246,663.68
  6. Step 6: Final answer
    x = 192,097.06

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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.