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Finding the Fourth Proportional to 140,240.58, 210,235.81 and 51,473.49

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Solution

The fourth proportional to 140,240.58, 210,235.81 and 51,473.49 is: 77,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,240.58 : 210,235.81 = 51,473.49 : x
  2. Step 2: Convert to fraction form
    140,240.58/210,235.81 = 51,473.49/x
  3. Step 3: Cross multiply
    140,240.58x = 210,235.81 × 51,473.49
  4. Step 4: Simplify right side
    140,240.58x = 10,821,570,863.68
  5. Step 5: Solve for x
    x = 10,821,570,863.68/140,240.58
  6. Step 6: Final answer
    x = 77,164.33

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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.