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Finding the Fourth Proportional to 211,244.72, 291,515.72 and 114,446.34

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Solution

The fourth proportional to 211,244.72, 291,515.72 and 114,446.34 is: 157,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,244.72 : 291,515.72 = 114,446.34 : x
  2. Step 2: Convert to fraction form
    211,244.72/291,515.72 = 114,446.34/x
  3. Step 3: Cross multiply
    211,244.72x = 291,515.72 × 114,446.34
  4. Step 4: Simplify right side
    211,244.72x = 33,362,906,634.23
  5. Step 5: Solve for x
    x = 33,362,906,634.23/211,244.72
  6. Step 6: Final answer
    x = 157,934.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.