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Finding the Fourth Proportional to 73,193.80, 101,007.80 and 39,659.80

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Solution

The fourth proportional to 73,193.80, 101,007.80 and 39,659.80 is: 54,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,193.80 : 101,007.80 = 39,659.80 : x
  2. Step 2: Convert to fraction form
    73,193.80/101,007.80 = 39,659.80/x
  3. Step 3: Cross multiply
    73,193.80x = 101,007.80 × 39,659.80
  4. Step 4: Simplify right side
    73,193.80x = 4,005,949,146.44
  5. Step 5: Solve for x
    x = 4,005,949,146.44/73,193.80
  6. Step 6: Final answer
    x = 54,730.72

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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.