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Finding the Fourth Proportional to 122,386.56, 183,544.56 and 33,642.96

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Solution

The fourth proportional to 122,386.56, 183,544.56 and 33,642.96 is: 50,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,386.56 : 183,544.56 = 33,642.96 : x
  2. Step 2: Convert to fraction form
    122,386.56/183,544.56 = 33,642.96/x
  3. Step 3: Cross multiply
    122,386.56x = 183,544.56 × 33,642.96
  4. Step 4: Simplify right side
    122,386.56x = 6,174,982,290.30
  5. Step 5: Solve for x
    x = 6,174,982,290.30/122,386.56
  6. Step 6: Final answer
    x = 50,454.74

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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.