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Finding the Fourth Proportional to 243,139.04, 335,685.96 and 166,786.04

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Solution

The fourth proportional to 243,139.04, 335,685.96 and 166,786.04 is: 230,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,139.04 : 335,685.96 = 166,786.04 : x
  2. Step 2: Convert to fraction form
    243,139.04/335,685.96 = 166,786.04/x
  3. Step 3: Cross multiply
    243,139.04x = 335,685.96 × 166,786.04
  4. Step 4: Simplify right side
    243,139.04x = 55,987,731,952.00
  5. Step 5: Solve for x
    x = 55,987,731,952.00/243,139.04
  6. Step 6: Final answer
    x = 230,270.43

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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.