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Finding the Fourth Proportional to 98,589, 136,043.07 and 60,359.34

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Solution

The fourth proportional to 98,589, 136,043.07 and 60,359.34 is: 83,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,589 : 136,043.07 = 60,359.34 : x
  2. Step 2: Convert to fraction form
    98,589/136,043.07 = 60,359.34/x
  3. Step 3: Cross multiply
    98,589x = 136,043.07 × 60,359.34
  4. Step 4: Simplify right side
    98,589x = 8,211,469,916.77
  5. Step 5: Solve for x
    x = 8,211,469,916.77/98,589
  6. Step 6: Final answer
    x = 83,289.92

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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.