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Finding the Fourth Proportional to 190,915.88, 263,472.12 and 106,032.96

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Solution

The fourth proportional to 190,915.88, 263,472.12 and 106,032.96 is: 146,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,915.88 : 263,472.12 = 106,032.96 : x
  2. Step 2: Convert to fraction form
    190,915.88/263,472.12 = 106,032.96/x
  3. Step 3: Cross multiply
    190,915.88x = 263,472.12 × 106,032.96
  4. Step 4: Simplify right side
    190,915.88x = 27,936,728,761.08
  5. Step 5: Solve for x
    x = 27,936,728,761.08/190,915.88
  6. Step 6: Final answer
    x = 146,330.05

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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.