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Finding the Fourth Proportional to 192,408.95, 265,494.61 and 107,509.61

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Solution

The fourth proportional to 192,408.95, 265,494.61 and 107,509.61 is: 148,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,408.95 : 265,494.61 = 107,509.61 : x
  2. Step 2: Convert to fraction form
    192,408.95/265,494.61 = 107,509.61/x
  3. Step 3: Cross multiply
    192,408.95x = 265,494.61 × 107,509.61
  4. Step 4: Simplify right side
    192,408.95x = 28,543,222,776.33
  5. Step 5: Solve for x
    x = 28,543,222,776.33/192,408.95
  6. Step 6: Final answer
    x = 148,346.65

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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.