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Finding the Fourth Proportional to 140,960.80, 211,450.80 and 44,890.40

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Solution

The fourth proportional to 140,960.80, 211,450.80 and 44,890.40 is: 67,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,960.80 : 211,450.80 = 44,890.40 : x
  2. Step 2: Convert to fraction form
    140,960.80/211,450.80 = 44,890.40/x
  3. Step 3: Cross multiply
    140,960.80x = 211,450.80 × 44,890.40
  4. Step 4: Simplify right side
    140,960.80x = 9,492,110,992.32
  5. Step 5: Solve for x
    x = 9,492,110,992.32/140,960.80
  6. Step 6: Final answer
    x = 67,338.66

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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.