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Finding the Fourth Proportional to 110,851.70, 166,274.71 and 30,889.31

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Solution

The fourth proportional to 110,851.70, 166,274.71 and 30,889.31 is: 46,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,851.70 : 166,274.71 = 30,889.31 : x
  2. Step 2: Convert to fraction form
    110,851.70/166,274.71 = 30,889.31/x
  3. Step 3: Cross multiply
    110,851.70x = 166,274.71 × 30,889.31
  4. Step 4: Simplify right side
    110,851.70x = 5,136,110,153.75
  5. Step 5: Solve for x
    x = 5,136,110,153.75/110,851.70
  6. Step 6: Final answer
    x = 46,333.17

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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.