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Finding the Fourth Proportional to 228,831.75, 343,267.20 and 60,350.67

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Solution

The fourth proportional to 228,831.75, 343,267.20 and 60,350.67 is: 90,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,831.75 : 343,267.20 = 60,350.67 : x
  2. Step 2: Convert to fraction form
    228,831.75/343,267.20 = 60,350.67/x
  3. Step 3: Cross multiply
    228,831.75x = 343,267.20 × 60,350.67
  4. Step 4: Simplify right side
    228,831.75x = 20,716,405,509.02
  5. Step 5: Solve for x
    x = 20,716,405,509.02/228,831.75
  6. Step 6: Final answer
    x = 90,531.17

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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.