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Finding the Fourth Proportional to 351,772.79, 527,653.58 and 111,883.23

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Solution

The fourth proportional to 351,772.79, 527,653.58 and 111,883.23 is: 167,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,772.79 : 527,653.58 = 111,883.23 : x
  2. Step 2: Convert to fraction form
    351,772.79/527,653.58 = 111,883.23/x
  3. Step 3: Cross multiply
    351,772.79x = 527,653.58 × 111,883.23
  4. Step 4: Simplify right side
    351,772.79x = 59,035,586,292.05
  5. Step 5: Solve for x
    x = 59,035,586,292.05/351,772.79
  6. Step 6: Final answer
    x = 167,823.06

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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.