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Finding the Fourth Proportional to 295,640.51, 443,345.73 and 95,912.60

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Solution

The fourth proportional to 295,640.51, 443,345.73 and 95,912.60 is: 143,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,640.51 : 443,345.73 = 95,912.60 : x
  2. Step 2: Convert to fraction form
    295,640.51/443,345.73 = 95,912.60/x
  3. Step 3: Cross multiply
    295,640.51x = 443,345.73 × 95,912.60
  4. Step 4: Simplify right side
    295,640.51x = 42,522,441,663.20
  5. Step 5: Solve for x
    x = 42,522,441,663.20/295,640.51
  6. Step 6: Final answer
    x = 143,831.58

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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.