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Finding the Fourth Proportional to 140,843.48, 211,265.70 and 35,662.40

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Solution

The fourth proportional to 140,843.48, 211,265.70 and 35,662.40 is: 53,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,843.48 : 211,265.70 = 35,662.40 : x
  2. Step 2: Convert to fraction form
    140,843.48/211,265.70 = 35,662.40/x
  3. Step 3: Cross multiply
    140,843.48x = 211,265.70 × 35,662.40
  4. Step 4: Simplify right side
    140,843.48x = 7,534,241,899.68
  5. Step 5: Solve for x
    x = 7,534,241,899.68/140,843.48
  6. Step 6: Final answer
    x = 53,493.72

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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.