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Finding the Fourth Proportional to 88,095.72, 132,019.32 and 68,281.56

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Solution

The fourth proportional to 88,095.72, 132,019.32 and 68,281.56 is: 102,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.72 : 132,019.32 = 68,281.56 : x
  2. Step 2: Convert to fraction form
    88,095.72/132,019.32 = 68,281.56/x
  3. Step 3: Cross multiply
    88,095.72x = 132,019.32 × 68,281.56
  4. Step 4: Simplify right side
    88,095.72x = 9,014,485,119.74
  5. Step 5: Solve for x
    x = 9,014,485,119.74/88,095.72
  6. Step 6: Final answer
    x = 102,326.03

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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.