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Finding the Fourth Proportional to 96,038.96, 144,101.64 and 60,969.20

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Solution

The fourth proportional to 96,038.96, 144,101.64 and 60,969.20 is: 91,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,038.96 : 144,101.64 = 60,969.20 : x
  2. Step 2: Convert to fraction form
    96,038.96/144,101.64 = 60,969.20/x
  3. Step 3: Cross multiply
    96,038.96x = 144,101.64 × 60,969.20
  4. Step 4: Simplify right side
    96,038.96x = 8,785,761,709.49
  5. Step 5: Solve for x
    x = 8,785,761,709.49/96,038.96
  6. Step 6: Final answer
    x = 91,481.23

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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.