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Finding the Fourth Proportional to 183,966, 253,873.32 and 104,478

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Solution

The fourth proportional to 183,966, 253,873.32 and 104,478 is: 144,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,966 : 253,873.32 = 104,478 : x
  2. Step 2: Convert to fraction form
    183,966/253,873.32 = 104,478/x
  3. Step 3: Cross multiply
    183,966x = 253,873.32 × 104,478
  4. Step 4: Simplify right side
    183,966x = 26,524,176,726.96
  5. Step 5: Solve for x
    x = 26,524,176,726.96/183,966
  6. Step 6: Final answer
    x = 144,179.78

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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.