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Finding the Fourth Proportional to 269,759.69, 372,268.39 and 148,901.01

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Solution

The fourth proportional to 269,759.69, 372,268.39 and 148,901.01 is: 205,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,759.69 : 372,268.39 = 148,901.01 : x
  2. Step 2: Convert to fraction form
    269,759.69/372,268.39 = 148,901.01/x
  3. Step 3: Cross multiply
    269,759.69x = 372,268.39 × 148,901.01
  4. Step 4: Simplify right side
    269,759.69x = 55,431,138,052.19
  5. Step 5: Solve for x
    x = 55,431,138,052.19/269,759.69
  6. Step 6: Final answer
    x = 205,483.40

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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.