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Finding the Fourth Proportional to 176,758.55, 265,138.37 and 43,638.82

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Solution

The fourth proportional to 176,758.55, 265,138.37 and 43,638.82 is: 65,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,758.55 : 265,138.37 = 43,638.82 : x
  2. Step 2: Convert to fraction form
    176,758.55/265,138.37 = 43,638.82/x
  3. Step 3: Cross multiply
    176,758.55x = 265,138.37 × 43,638.82
  4. Step 4: Simplify right side
    176,758.55x = 11,570,324,722.48
  5. Step 5: Solve for x
    x = 11,570,324,722.48/176,758.55
  6. Step 6: Final answer
    x = 65,458.36

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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.