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Finding the Fourth Proportional to 114,076.65, 171,126.71 and 43,059.11

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Solution

The fourth proportional to 114,076.65, 171,126.71 and 43,059.11 is: 64,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,076.65 : 171,126.71 = 43,059.11 : x
  2. Step 2: Convert to fraction form
    114,076.65/171,126.71 = 43,059.11/x
  3. Step 3: Cross multiply
    114,076.65x = 171,126.71 × 43,059.11
  4. Step 4: Simplify right side
    114,076.65x = 7,368,562,920.37
  5. Step 5: Solve for x
    x = 7,368,562,920.37/114,076.65
  6. Step 6: Final answer
    x = 64,593.09

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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.