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Finding the Fourth Proportional to 120,245.84, 180,366.92 and 41,360.74

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Solution

The fourth proportional to 120,245.84, 180,366.92 and 41,360.74 is: 62,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,245.84 : 180,366.92 = 41,360.74 : x
  2. Step 2: Convert to fraction form
    120,245.84/180,366.92 = 41,360.74/x
  3. Step 3: Cross multiply
    120,245.84x = 180,366.92 × 41,360.74
  4. Step 4: Simplify right side
    120,245.84x = 7,460,109,282.72
  5. Step 5: Solve for x
    x = 7,460,109,282.72/120,245.84
  6. Step 6: Final answer
    x = 62,040.48

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1.5x scale

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.