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Finding the Fourth Proportional to 114,039.33, 171,066.03 and 43,918.71

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Solution

The fourth proportional to 114,039.33, 171,066.03 and 43,918.71 is: 65,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,039.33 : 171,066.03 = 43,918.71 : x
  2. Step 2: Convert to fraction form
    114,039.33/171,066.03 = 43,918.71/x
  3. Step 3: Cross multiply
    114,039.33x = 171,066.03 × 43,918.71
  4. Step 4: Simplify right side
    114,039.33x = 7,512,999,362.42
  5. Step 5: Solve for x
    x = 7,512,999,362.42/114,039.33
  6. Step 6: Final answer
    x = 65,880.77

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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.