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Finding the Fourth Proportional to 84,787.70, 127,199.54 and 32,196.02

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Solution

The fourth proportional to 84,787.70, 127,199.54 and 32,196.02 is: 48,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.70 : 127,199.54 = 32,196.02 : x
  2. Step 2: Convert to fraction form
    84,787.70/127,199.54 = 32,196.02/x
  3. Step 3: Cross multiply
    84,787.70x = 127,199.54 × 32,196.02
  4. Step 4: Simplify right side
    84,787.70x = 4,095,318,378.32
  5. Step 5: Solve for x
    x = 4,095,318,378.32/84,787.70
  6. Step 6: Final answer
    x = 48,300.86

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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.