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Finding the Fourth Proportional to 183,874.54, 253,772.44 and 103,308.30

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Solution

The fourth proportional to 183,874.54, 253,772.44 and 103,308.30 is: 142,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,874.54 : 253,772.44 = 103,308.30 : x
  2. Step 2: Convert to fraction form
    183,874.54/253,772.44 = 103,308.30/x
  3. Step 3: Cross multiply
    183,874.54x = 253,772.44 × 103,308.30
  4. Step 4: Simplify right side
    183,874.54x = 26,216,799,363.25
  5. Step 5: Solve for x
    x = 26,216,799,363.25/183,874.54
  6. Step 6: Final answer
    x = 142,579.82

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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.