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Finding the Fourth Proportional to 96,604.32, 144,905.76 and 63,533.28

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Solution

The fourth proportional to 96,604.32, 144,905.76 and 63,533.28 is: 95,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,604.32 : 144,905.76 = 63,533.28 : x
  2. Step 2: Convert to fraction form
    96,604.32/144,905.76 = 63,533.28/x
  3. Step 3: Cross multiply
    96,604.32x = 144,905.76 × 63,533.28
  4. Step 4: Simplify right side
    96,604.32x = 9,206,338,223.69
  5. Step 5: Solve for x
    x = 9,206,338,223.69/96,604.32
  6. Step 6: Final answer
    x = 95,299.45

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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.