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Finding the Fourth Proportional to 127,361.58, 175,760.80 and 70,006.20

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Solution

The fourth proportional to 127,361.58, 175,760.80 and 70,006.20 is: 96,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,361.58 : 175,760.80 = 70,006.20 : x
  2. Step 2: Convert to fraction form
    127,361.58/175,760.80 = 70,006.20/x
  3. Step 3: Cross multiply
    127,361.58x = 175,760.80 × 70,006.20
  4. Step 4: Simplify right side
    127,361.58x = 12,304,345,716.96
  5. Step 5: Solve for x
    x = 12,304,345,716.96/127,361.58
  6. Step 6: Final answer
    x = 96,609.56

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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.