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Finding the Fourth Proportional to 213,970.75, 295,357.40 and 124,546.75

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Solution

The fourth proportional to 213,970.75, 295,357.40 and 124,546.75 is: 171,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,970.75 : 295,357.40 = 124,546.75 : x
  2. Step 2: Convert to fraction form
    213,970.75/295,357.40 = 124,546.75/x
  3. Step 3: Cross multiply
    213,970.75x = 295,357.40 × 124,546.75
  4. Step 4: Simplify right side
    213,970.75x = 36,785,804,258.45
  5. Step 5: Solve for x
    x = 36,785,804,258.45/213,970.75
  6. Step 6: Final answer
    x = 171,919.78

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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.