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Finding the Fourth Proportional to 109,388, 150,955.58 and 59,087

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Solution

The fourth proportional to 109,388, 150,955.58 and 59,087 is: 81,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,388 : 150,955.58 = 59,087 : x
  2. Step 2: Convert to fraction form
    109,388/150,955.58 = 59,087/x
  3. Step 3: Cross multiply
    109,388x = 150,955.58 × 59,087
  4. Step 4: Simplify right side
    109,388x = 8,919,512,060.03
  5. Step 5: Solve for x
    x = 8,919,512,060.03/109,388
  6. Step 6: Final answer
    x = 81,540.13

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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.