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Finding the Fourth Proportional to 127,654.25, 191,568.86 and 44,548.25

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Solution

The fourth proportional to 127,654.25, 191,568.86 and 44,548.25 is: 66,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,654.25 : 191,568.86 = 44,548.25 : x
  2. Step 2: Convert to fraction form
    127,654.25/191,568.86 = 44,548.25/x
  3. Step 3: Cross multiply
    127,654.25x = 191,568.86 × 44,548.25
  4. Step 4: Simplify right side
    127,654.25x = 8,534,057,244.75
  5. Step 5: Solve for x
    x = 8,534,057,244.75/127,654.25
  6. Step 6: Final answer
    x = 66,852.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.