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Finding the Fourth Proportional to 73,323.12, 109,976.04 and 57,745.20

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Solution

The fourth proportional to 73,323.12, 109,976.04 and 57,745.20 is: 86,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,323.12 : 109,976.04 = 57,745.20 : x
  2. Step 2: Convert to fraction form
    73,323.12/109,976.04 = 57,745.20/x
  3. Step 3: Cross multiply
    73,323.12x = 109,976.04 × 57,745.20
  4. Step 4: Simplify right side
    73,323.12x = 6,350,588,425.01
  5. Step 5: Solve for x
    x = 6,350,588,425.01/73,323.12
  6. Step 6: Final answer
    x = 86,611.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.