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Finding the Fourth Proportional to 234,153.75, 351,201 and 74,231.24

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Solution

The fourth proportional to 234,153.75, 351,201 and 74,231.24 is: 111,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,153.75 : 351,201 = 74,231.24 : x
  2. Step 2: Convert to fraction form
    234,153.75/351,201 = 74,231.24/x
  3. Step 3: Cross multiply
    234,153.75x = 351,201 × 74,231.24
  4. Step 4: Simplify right side
    234,153.75x = 26,070,083,963.24
  5. Step 5: Solve for x
    x = 26,070,083,963.24/234,153.75
  6. Step 6: Final answer
    x = 111,337.46

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1.5x scale

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.