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Finding the Fourth Proportional to 96,660.72, 144,918.14 and 63,389.16

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Solution

The fourth proportional to 96,660.72, 144,918.14 and 63,389.16 is: 95,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,660.72 : 144,918.14 = 63,389.16 : x
  2. Step 2: Convert to fraction form
    96,660.72/144,918.14 = 63,389.16/x
  3. Step 3: Cross multiply
    96,660.72x = 144,918.14 × 63,389.16
  4. Step 4: Simplify right side
    96,660.72x = 9,186,239,163.36
  5. Step 5: Solve for x
    x = 9,186,239,163.36/96,660.72
  6. Step 6: Final answer
    x = 95,035.91

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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.