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Finding the Fourth Proportional to 180,122.93, 270,189.86 and 61,792.56

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Solution

The fourth proportional to 180,122.93, 270,189.86 and 61,792.56 is: 92,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,122.93 : 270,189.86 = 61,792.56 : x
  2. Step 2: Convert to fraction form
    180,122.93/270,189.86 = 61,792.56/x
  3. Step 3: Cross multiply
    180,122.93x = 270,189.86 × 61,792.56
  4. Step 4: Simplify right side
    180,122.93x = 16,695,723,733.68
  5. Step 5: Solve for x
    x = 16,695,723,733.68/180,122.93
  6. Step 6: Final answer
    x = 92,690.72

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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.