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Finding the Fourth Proportional to 88,509.11, 132,648.84 and 35,889.89

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Solution

The fourth proportional to 88,509.11, 132,648.84 and 35,889.89 is: 53,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,509.11 : 132,648.84 = 35,889.89 : x
  2. Step 2: Convert to fraction form
    88,509.11/132,648.84 = 35,889.89/x
  3. Step 3: Cross multiply
    88,509.11x = 132,648.84 × 35,889.89
  4. Step 4: Simplify right side
    88,509.11x = 4,760,751,612.98
  5. Step 5: Solve for x
    x = 4,760,751,612.98/88,509.11
  6. Step 6: Final answer
    x = 53,788.27

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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.