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Finding the Fourth Proportional to 96,757.10, 144,807.60 and 84,947.30

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Solution

The fourth proportional to 96,757.10, 144,807.60 and 84,947.30 is: 127,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,757.10 : 144,807.60 = 84,947.30 : x
  2. Step 2: Convert to fraction form
    96,757.10/144,807.60 = 84,947.30/x
  3. Step 3: Cross multiply
    96,757.10x = 144,807.60 × 84,947.30
  4. Step 4: Simplify right side
    96,757.10x = 12,301,014,639.48
  5. Step 5: Solve for x
    x = 12,301,014,639.48/96,757.10
  6. Step 6: Final answer
    x = 127,132.94

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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.