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Finding the Fourth Proportional to 73,262.01, 109,812.29 and 47,931.08

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Solution

The fourth proportional to 73,262.01, 109,812.29 and 47,931.08 is: 71,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,262.01 : 109,812.29 = 47,931.08 : x
  2. Step 2: Convert to fraction form
    73,262.01/109,812.29 = 47,931.08/x
  3. Step 3: Cross multiply
    73,262.01x = 109,812.29 × 47,931.08
  4. Step 4: Simplify right side
    73,262.01x = 5,263,421,691.85
  5. Step 5: Solve for x
    x = 5,263,421,691.85/73,262.01
  6. Step 6: Final answer
    x = 71,843.81

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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.