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Finding the Fourth Proportional to 190,851.52, 263,367.12 and 105,963.52

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Solution

The fourth proportional to 190,851.52, 263,367.12 and 105,963.52 is: 146,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851.52 : 263,367.12 = 105,963.52 : x
  2. Step 2: Convert to fraction form
    190,851.52/263,367.12 = 105,963.52/x
  3. Step 3: Cross multiply
    190,851.52x = 263,367.12 × 105,963.52
  4. Step 4: Simplify right side
    190,851.52x = 27,907,307,087.46
  5. Step 5: Solve for x
    x = 27,907,307,087.46/190,851.52
  6. Step 6: Final answer
    x = 146,225.23

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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.