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Finding the Fourth Proportional to 88,035.54, 132,065.87 and 28,875.84

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Solution

The fourth proportional to 88,035.54, 132,065.87 and 28,875.84 is: 43,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,035.54 : 132,065.87 = 28,875.84 : x
  2. Step 2: Convert to fraction form
    88,035.54/132,065.87 = 28,875.84/x
  3. Step 3: Cross multiply
    88,035.54x = 132,065.87 × 28,875.84
  4. Step 4: Simplify right side
    88,035.54x = 3,813,512,787.20
  5. Step 5: Solve for x
    x = 3,813,512,787.20/88,035.54
  6. Step 6: Final answer
    x = 43,317.88

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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.