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Finding the Fourth Proportional to 134,765.72, 202,168.80 and 43,550.72

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Solution

The fourth proportional to 134,765.72, 202,168.80 and 43,550.72 is: 65,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,765.72 : 202,168.80 = 43,550.72 : x
  2. Step 2: Convert to fraction form
    134,765.72/202,168.80 = 43,550.72/x
  3. Step 3: Cross multiply
    134,765.72x = 202,168.80 × 43,550.72
  4. Step 4: Simplify right side
    134,765.72x = 8,804,596,801.54
  5. Step 5: Solve for x
    x = 8,804,596,801.54/134,765.72
  6. Step 6: Final answer
    x = 65,332.61

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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.