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Finding the Fourth Proportional to 75,601.80, 104,287.03 and 47,258.28

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Solution

The fourth proportional to 75,601.80, 104,287.03 and 47,258.28 is: 65,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,601.80 : 104,287.03 = 47,258.28 : x
  2. Step 2: Convert to fraction form
    75,601.80/104,287.03 = 47,258.28/x
  3. Step 3: Cross multiply
    75,601.80x = 104,287.03 × 47,258.28
  4. Step 4: Simplify right side
    75,601.80x = 4,928,425,252.66
  5. Step 5: Solve for x
    x = 4,928,425,252.66/75,601.80
  6. Step 6: Final answer
    x = 65,189.26

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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.