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Finding the Fourth Proportional to 173,597.76, 239,571.36 and 98,141.76

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Solution

The fourth proportional to 173,597.76, 239,571.36 and 98,141.76 is: 135,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,597.76 : 239,571.36 = 98,141.76 : x
  2. Step 2: Convert to fraction form
    173,597.76/239,571.36 = 98,141.76/x
  3. Step 3: Cross multiply
    173,597.76x = 239,571.36 × 98,141.76
  4. Step 4: Simplify right side
    173,597.76x = 23,511,954,915.99
  5. Step 5: Solve for x
    x = 23,511,954,915.99/173,597.76
  6. Step 6: Final answer
    x = 135,439.28

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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.