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Finding the Fourth Proportional to 96,618.08, 144,698 and 76,563.08

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Solution

The fourth proportional to 96,618.08, 144,698 and 76,563.08 is: 114,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,618.08 : 144,698 = 76,563.08 : x
  2. Step 2: Convert to fraction form
    96,618.08/144,698 = 76,563.08/x
  3. Step 3: Cross multiply
    96,618.08x = 144,698 × 76,563.08
  4. Step 4: Simplify right side
    96,618.08x = 11,078,524,549.84
  5. Step 5: Solve for x
    x = 11,078,524,549.84/96,618.08
  6. Step 6: Final answer
    x = 114,663.06

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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.