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Finding the Fourth Proportional to 140,993.67, 211,502.95 and 39,792.63

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Solution

The fourth proportional to 140,993.67, 211,502.95 and 39,792.63 is: 59,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,993.67 : 211,502.95 = 39,792.63 : x
  2. Step 2: Convert to fraction form
    140,993.67/211,502.95 = 39,792.63/x
  3. Step 3: Cross multiply
    140,993.67x = 211,502.95 × 39,792.63
  4. Step 4: Simplify right side
    140,993.67x = 8,416,259,326.91
  5. Step 5: Solve for x
    x = 8,416,259,326.91/140,993.67
  6. Step 6: Final answer
    x = 59,692.46

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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.