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Finding the Fourth Proportional to 269,654.56, 372,106.56 and 148,796.80

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Solution

The fourth proportional to 269,654.56, 372,106.56 and 148,796.80 is: 205,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,654.56 : 372,106.56 = 148,796.80 : x
  2. Step 2: Convert to fraction form
    269,654.56/372,106.56 = 148,796.80/x
  3. Step 3: Cross multiply
    269,654.56x = 372,106.56 × 148,796.80
  4. Step 4: Simplify right side
    269,654.56x = 55,368,265,387.01
  5. Step 5: Solve for x
    x = 55,368,265,387.01/269,654.56
  6. Step 6: Final answer
    x = 205,330.35

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1.5x scale

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.