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Finding the Fourth Proportional to 126,794.88, 174,969.28 and 70,202.88

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Solution

The fourth proportional to 126,794.88, 174,969.28 and 70,202.88 is: 96,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,794.88 : 174,969.28 = 70,202.88 : x
  2. Step 2: Convert to fraction form
    126,794.88/174,969.28 = 70,202.88/x
  3. Step 3: Cross multiply
    126,794.88x = 174,969.28 × 70,202.88
  4. Step 4: Simplify right side
    126,794.88x = 12,283,347,367.53
  5. Step 5: Solve for x
    x = 12,283,347,367.53/126,794.88
  6. Step 6: Final answer
    x = 96,875.74

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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.