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Finding the Fourth Proportional to 206,856.58, 310,408.80 and 88,528.03

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Solution

The fourth proportional to 206,856.58, 310,408.80 and 88,528.03 is: 132,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,856.58 : 310,408.80 = 88,528.03 : x
  2. Step 2: Convert to fraction form
    206,856.58/310,408.80 = 88,528.03/x
  3. Step 3: Cross multiply
    206,856.58x = 310,408.80 × 88,528.03
  4. Step 4: Simplify right side
    206,856.58x = 27,479,879,558.66
  5. Step 5: Solve for x
    x = 27,479,879,558.66/206,856.58
  6. Step 6: Final answer
    x = 132,845.08

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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.