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Finding the Fourth Proportional to 127,993.54, 176,629.89 and 70,633.39

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Solution

The fourth proportional to 127,993.54, 176,629.89 and 70,633.39 is: 97,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,993.54 : 176,629.89 = 70,633.39 : x
  2. Step 2: Convert to fraction form
    127,993.54/176,629.89 = 70,633.39/x
  3. Step 3: Cross multiply
    127,993.54x = 176,629.89 × 70,633.39
  4. Step 4: Simplify right side
    127,993.54x = 12,475,967,906.03
  5. Step 5: Solve for x
    x = 12,475,967,906.03/127,993.54
  6. Step 6: Final answer
    x = 97,473.42

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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.