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Finding the Fourth Proportional to 302,831.70, 454,109.15 and 113,152.97

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Solution

The fourth proportional to 302,831.70, 454,109.15 and 113,152.97 is: 169,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,831.70 : 454,109.15 = 113,152.97 : x
  2. Step 2: Convert to fraction form
    302,831.70/454,109.15 = 113,152.97/x
  3. Step 3: Cross multiply
    302,831.70x = 454,109.15 × 113,152.97
  4. Step 4: Simplify right side
    302,831.70x = 51,383,796,190.36
  5. Step 5: Solve for x
    x = 51,383,796,190.36/302,831.70
  6. Step 6: Final answer
    x = 169,677.73

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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.