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Finding the Fourth Proportional to 96,750.10, 144,797.10 and 84,940.30

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Solution

The fourth proportional to 96,750.10, 144,797.10 and 84,940.30 is: 127,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,750.10 : 144,797.10 = 84,940.30 : x
  2. Step 2: Convert to fraction form
    96,750.10/144,797.10 = 84,940.30/x
  3. Step 3: Cross multiply
    96,750.10x = 144,797.10 × 84,940.30
  4. Step 4: Simplify right side
    96,750.10x = 12,299,109,113.13
  5. Step 5: Solve for x
    x = 12,299,109,113.13/96,750.10
  6. Step 6: Final answer
    x = 127,122.44

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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.