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Finding the Fourth Proportional to 127,993.73, 176,628.59 and 70,630.85

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Solution

The fourth proportional to 127,993.73, 176,628.59 and 70,630.85 is: 97,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,993.73 : 176,628.59 = 70,630.85 : x
  2. Step 2: Convert to fraction form
    127,993.73/176,628.59 = 70,630.85/x
  3. Step 3: Cross multiply
    127,993.73x = 176,628.59 × 70,630.85
  4. Step 4: Simplify right side
    127,993.73x = 12,475,427,446.00
  5. Step 5: Solve for x
    x = 12,475,427,446.00/127,993.73
  6. Step 6: Final answer
    x = 97,469.05

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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.