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Finding the Fourth Proportional to 157,573, 236,361.56 and 52,391.97

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Solution

The fourth proportional to 157,573, 236,361.56 and 52,391.97 is: 78,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,573 : 236,361.56 = 52,391.97 : x
  2. Step 2: Convert to fraction form
    157,573/236,361.56 = 52,391.97/x
  3. Step 3: Cross multiply
    157,573x = 236,361.56 × 52,391.97
  4. Step 4: Simplify right side
    157,573x = 12,383,447,760.67
  5. Step 5: Solve for x
    x = 12,383,447,760.67/157,573
  6. Step 6: Final answer
    x = 78,588.64

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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.