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Finding the Fourth Proportional to 127,304.40, 190,932.30 and 38,560.80

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Solution

The fourth proportional to 127,304.40, 190,932.30 and 38,560.80 is: 57,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,304.40 : 190,932.30 = 38,560.80 : x
  2. Step 2: Convert to fraction form
    127,304.40/190,932.30 = 38,560.80/x
  3. Step 3: Cross multiply
    127,304.40x = 190,932.30 × 38,560.80
  4. Step 4: Simplify right side
    127,304.40x = 7,362,502,233.84
  5. Step 5: Solve for x
    x = 7,362,502,233.84/127,304.40
  6. Step 6: Final answer
    x = 57,833.84

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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.