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Finding the Fourth Proportional to 110,408.46, 152,383.55 and 65,083.74

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Solution

The fourth proportional to 110,408.46, 152,383.55 and 65,083.74 is: 89,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,408.46 : 152,383.55 = 65,083.74 : x
  2. Step 2: Convert to fraction form
    110,408.46/152,383.55 = 65,083.74/x
  3. Step 3: Cross multiply
    110,408.46x = 152,383.55 × 65,083.74
  4. Step 4: Simplify right side
    110,408.46x = 9,917,691,023.06
  5. Step 5: Solve for x
    x = 9,917,691,023.06/110,408.46
  6. Step 6: Final answer
    x = 89,827.27

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1.5x scale

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.