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Finding the Fourth Proportional to 206,975.02, 310,202.83 and 88,507.06

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Solution

The fourth proportional to 206,975.02, 310,202.83 and 88,507.06 is: 132,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,975.02 : 310,202.83 = 88,507.06 : x
  2. Step 2: Convert to fraction form
    206,975.02/310,202.83 = 88,507.06/x
  3. Step 3: Cross multiply
    206,975.02x = 310,202.83 × 88,507.06
  4. Step 4: Simplify right side
    206,975.02x = 27,455,140,486.98
  5. Step 5: Solve for x
    x = 27,455,140,486.98/206,975.02
  6. Step 6: Final answer
    x = 132,649.54

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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.