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Finding the Fourth Proportional to 88,172.82, 132,289.95 and 32,784.66

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Solution

The fourth proportional to 88,172.82, 132,289.95 and 32,784.66 is: 49,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.82 : 132,289.95 = 32,784.66 : x
  2. Step 2: Convert to fraction form
    88,172.82/132,289.95 = 32,784.66/x
  3. Step 3: Cross multiply
    88,172.82x = 132,289.95 × 32,784.66
  4. Step 4: Simplify right side
    88,172.82x = 4,337,081,032.17
  5. Step 5: Solve for x
    x = 4,337,081,032.17/88,172.82
  6. Step 6: Final answer
    x = 49,188.41

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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.