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Finding the Fourth Proportional to 269,447.66, 371,859.91 and 148,612.58

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Solution

The fourth proportional to 269,447.66, 371,859.91 and 148,612.58 is: 205,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,447.66 : 371,859.91 = 148,612.58 : x
  2. Step 2: Convert to fraction form
    269,447.66/371,859.91 = 148,612.58/x
  3. Step 3: Cross multiply
    269,447.66x = 371,859.91 × 148,612.58
  4. Step 4: Simplify right side
    269,447.66x = 55,263,058,392.84
  5. Step 5: Solve for x
    x = 55,263,058,392.84/269,447.66
  6. Step 6: Final answer
    x = 205,097.57

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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.