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Finding the Fourth Proportional to 117,901.51, 176,745.60 and 43,004.11

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Solution

The fourth proportional to 117,901.51, 176,745.60 and 43,004.11 is: 64,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,901.51 : 176,745.60 = 43,004.11 : x
  2. Step 2: Convert to fraction form
    117,901.51/176,745.60 = 43,004.11/x
  3. Step 3: Cross multiply
    117,901.51x = 176,745.60 × 43,004.11
  4. Step 4: Simplify right side
    117,901.51x = 7,600,787,224.42
  5. Step 5: Solve for x
    x = 7,600,787,224.42/117,901.51
  6. Step 6: Final answer
    x = 64,467.26

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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.