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Finding the Fourth Proportional to 234,590.55, 351,831.84 and 139,847.48

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Solution

The fourth proportional to 234,590.55, 351,831.84 and 139,847.48 is: 209,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,590.55 : 351,831.84 = 139,847.48 : x
  2. Step 2: Convert to fraction form
    234,590.55/351,831.84 = 139,847.48/x
  3. Step 3: Cross multiply
    234,590.55x = 351,831.84 × 139,847.48
  4. Step 4: Simplify right side
    234,590.55x = 49,202,794,448.60
  5. Step 5: Solve for x
    x = 49,202,794,448.60/234,590.55
  6. Step 6: Final answer
    x = 209,739.03

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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.