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Finding the Fourth Proportional to 225,532.95, 311,235.44 and 123,562.03

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Solution

The fourth proportional to 225,532.95, 311,235.44 and 123,562.03 is: 170,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,532.95 : 311,235.44 = 123,562.03 : x
  2. Step 2: Convert to fraction form
    225,532.95/311,235.44 = 123,562.03/x
  3. Step 3: Cross multiply
    225,532.95x = 311,235.44 × 123,562.03
  4. Step 4: Simplify right side
    225,532.95x = 38,456,881,997.26
  5. Step 5: Solve for x
    x = 38,456,881,997.26/225,532.95
  6. Step 6: Final answer
    x = 170,515.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.