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Finding the Fourth Proportional to 73,864.54, 110,831.41 and 36,404.19

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Solution

The fourth proportional to 73,864.54, 110,831.41 and 36,404.19 is: 54,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,864.54 : 110,831.41 = 36,404.19 : x
  2. Step 2: Convert to fraction form
    73,864.54/110,831.41 = 36,404.19/x
  3. Step 3: Cross multiply
    73,864.54x = 110,831.41 × 36,404.19
  4. Step 4: Simplify right side
    73,864.54x = 4,034,728,090.42
  5. Step 5: Solve for x
    x = 4,034,728,090.42/73,864.54
  6. Step 6: Final answer
    x = 54,623.34

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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.