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Finding the Fourth Proportional to 169,408.60, 233,826.41 and 115,052.76

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Solution

The fourth proportional to 169,408.60, 233,826.41 and 115,052.76 is: 158,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,408.60 : 233,826.41 = 115,052.76 : x
  2. Step 2: Convert to fraction form
    169,408.60/233,826.41 = 115,052.76/x
  3. Step 3: Cross multiply
    169,408.60x = 233,826.41 × 115,052.76
  4. Step 4: Simplify right side
    169,408.60x = 26,902,373,831.39
  5. Step 5: Solve for x
    x = 26,902,373,831.39/169,408.60
  6. Step 6: Final answer
    x = 158,801.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.