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Finding the Fourth Proportional to 126,846, 175,047.48 and 70,261.02

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Solution

The fourth proportional to 126,846, 175,047.48 and 70,261.02 is: 96,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,846 : 175,047.48 = 70,261.02 : x
  2. Step 2: Convert to fraction form
    126,846/175,047.48 = 70,261.02/x
  3. Step 3: Cross multiply
    126,846x = 175,047.48 × 70,261.02
  4. Step 4: Simplify right side
    126,846x = 12,299,014,493.23
  5. Step 5: Solve for x
    x = 12,299,014,493.23/126,846
  6. Step 6: Final answer
    x = 96,960.21

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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.