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Finding the Fourth Proportional to 173,033.84, 238,792.41 and 100,431.29

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Solution

The fourth proportional to 173,033.84, 238,792.41 and 100,431.29 is: 138,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,033.84 : 238,792.41 = 100,431.29 : x
  2. Step 2: Convert to fraction form
    173,033.84/238,792.41 = 100,431.29/x
  3. Step 3: Cross multiply
    173,033.84x = 238,792.41 × 100,431.29
  4. Step 4: Simplify right side
    173,033.84x = 23,982,228,584.55
  5. Step 5: Solve for x
    x = 23,982,228,584.55/173,033.84
  6. Step 6: Final answer
    x = 138,598.49

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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.