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Finding the Fourth Proportional to 206,956.04, 310,174.47 and 88,488.32

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Solution

The fourth proportional to 206,956.04, 310,174.47 and 88,488.32 is: 132,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,956.04 : 310,174.47 = 88,488.32 : x
  2. Step 2: Convert to fraction form
    206,956.04/310,174.47 = 88,488.32/x
  3. Step 3: Cross multiply
    206,956.04x = 310,174.47 × 88,488.32
  4. Step 4: Simplify right side
    206,956.04x = 27,446,817,757.19
  5. Step 5: Solve for x
    x = 27,446,817,757.19/206,956.04
  6. Step 6: Final answer
    x = 132,621.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.