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Finding the Fourth Proportional to 141,020.80, 211,540.80 and 44,950.40

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Solution

The fourth proportional to 141,020.80, 211,540.80 and 44,950.40 is: 67,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,020.80 : 211,540.80 = 44,950.40 : x
  2. Step 2: Convert to fraction form
    141,020.80/211,540.80 = 44,950.40/x
  3. Step 3: Cross multiply
    141,020.80x = 211,540.80 × 44,950.40
  4. Step 4: Simplify right side
    141,020.80x = 9,508,843,576.32
  5. Step 5: Solve for x
    x = 9,508,843,576.32/141,020.80
  6. Step 6: Final answer
    x = 67,428.66

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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.