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Finding the Fourth Proportional to 246,653.49, 340,150.80 and 163,720.80

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Solution

The fourth proportional to 246,653.49, 340,150.80 and 163,720.80 is: 225,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,653.49 : 340,150.80 = 163,720.80 : x
  2. Step 2: Convert to fraction form
    246,653.49/340,150.80 = 163,720.80/x
  3. Step 3: Cross multiply
    246,653.49x = 340,150.80 × 163,720.80
  4. Step 4: Simplify right side
    246,653.49x = 55,689,761,096.64
  5. Step 5: Solve for x
    x = 55,689,761,096.64/246,653.49
  6. Step 6: Final answer
    x = 225,781.36

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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.