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Finding the Fourth Proportional to 73,271.79, 109,923.48 and 38,202.03

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Solution

The fourth proportional to 73,271.79, 109,923.48 and 38,202.03 is: 57,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,271.79 : 109,923.48 = 38,202.03 : x
  2. Step 2: Convert to fraction form
    73,271.79/109,923.48 = 38,202.03/x
  3. Step 3: Cross multiply
    73,271.79x = 109,923.48 × 38,202.03
  4. Step 4: Simplify right side
    73,271.79x = 4,199,300,080.66
  5. Step 5: Solve for x
    x = 4,199,300,080.66/73,271.79
  6. Step 6: Final answer
    x = 57,311.28

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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.