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Finding the Fourth Proportional to 126,796.88, 174,972.04 and 70,204.88

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Solution

The fourth proportional to 126,796.88, 174,972.04 and 70,204.88 is: 96,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,796.88 : 174,972.04 = 70,204.88 : x
  2. Step 2: Convert to fraction form
    126,796.88/174,972.04 = 70,204.88/x
  3. Step 3: Cross multiply
    126,796.88x = 174,972.04 × 70,204.88
  4. Step 4: Simplify right side
    126,796.88x = 12,283,891,071.56
  5. Step 5: Solve for x
    x = 12,283,891,071.56/126,796.88
  6. Step 6: Final answer
    x = 96,878.50

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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.