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Finding the Fourth Proportional to 190,951, 263,512.52 and 104,915.54

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Solution

The fourth proportional to 190,951, 263,512.52 and 104,915.54 is: 144,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,951 : 263,512.52 = 104,915.54 : x
  2. Step 2: Convert to fraction form
    190,951/263,512.52 = 104,915.54/x
  3. Step 3: Cross multiply
    190,951x = 263,512.52 × 104,915.54
  4. Step 4: Simplify right side
    190,951x = 27,646,558,332.56
  5. Step 5: Solve for x
    x = 27,646,558,332.56/190,951
  6. Step 6: Final answer
    x = 144,783.52

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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.