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Finding the Fourth Proportional to 206,983.98, 310,596.42 and 87,032.24

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Solution

The fourth proportional to 206,983.98, 310,596.42 and 87,032.24 is: 130,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,983.98 : 310,596.42 = 87,032.24 : x
  2. Step 2: Convert to fraction form
    206,983.98/310,596.42 = 87,032.24/x
  3. Step 3: Cross multiply
    206,983.98x = 310,596.42 × 87,032.24
  4. Step 4: Simplify right side
    206,983.98x = 27,031,902,168.58
  5. Step 5: Solve for x
    x = 27,031,902,168.58/206,983.98
  6. Step 6: Final answer
    x = 130,599.01

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1.5x scale

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.