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Finding the Fourth Proportional to 269,869, 372,425.14 and 149,009.96

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Solution

The fourth proportional to 269,869, 372,425.14 and 149,009.96 is: 205,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,869 : 372,425.14 = 149,009.96 : x
  2. Step 2: Convert to fraction form
    269,869/372,425.14 = 149,009.96/x
  3. Step 3: Cross multiply
    269,869x = 372,425.14 × 149,009.96
  4. Step 4: Simplify right side
    269,869x = 55,495,055,214.39
  5. Step 5: Solve for x
    x = 55,495,055,214.39/269,869
  6. Step 6: Final answer
    x = 205,637.01

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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.