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Finding the Fourth Proportional to 183,689.03, 275,322.81 and 77,053.28

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Solution

The fourth proportional to 183,689.03, 275,322.81 and 77,053.28 is: 115,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,689.03 : 275,322.81 = 77,053.28 : x
  2. Step 2: Convert to fraction form
    183,689.03/275,322.81 = 77,053.28/x
  3. Step 3: Cross multiply
    183,689.03x = 275,322.81 × 77,053.28
  4. Step 4: Simplify right side
    183,689.03x = 21,214,524,481.65
  5. Step 5: Solve for x
    x = 21,214,524,481.65/183,689.03
  6. Step 6: Final answer
    x = 115,491.51

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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.