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Finding the Fourth Proportional to 109,776.88, 151,408.50 and 94,489.44

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Solution

The fourth proportional to 109,776.88, 151,408.50 and 94,489.44 is: 130,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,776.88 : 151,408.50 = 94,489.44 : x
  2. Step 2: Convert to fraction form
    109,776.88/151,408.50 = 94,489.44/x
  3. Step 3: Cross multiply
    109,776.88x = 151,408.50 × 94,489.44
  4. Step 4: Simplify right side
    109,776.88x = 14,306,503,903.79
  5. Step 5: Solve for x
    x = 14,306,503,903.79/109,776.88
  6. Step 6: Final answer
    x = 130,323.48

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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.