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Finding the Fourth Proportional to 269,634.93, 372,103.99 and 148,784.00

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Solution

The fourth proportional to 269,634.93, 372,103.99 and 148,784.00 is: 205,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,634.93 : 372,103.99 = 148,784.00 : x
  2. Step 2: Convert to fraction form
    269,634.93/372,103.99 = 148,784.00/x
  3. Step 3: Cross multiply
    269,634.93x = 372,103.99 × 148,784.00
  4. Step 4: Simplify right side
    269,634.93x = 55,363,117,443.72
  5. Step 5: Solve for x
    x = 55,363,117,443.72/269,634.93
  6. Step 6: Final answer
    x = 205,326.21

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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.