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Finding the Fourth Proportional to 173,163.40, 259,745.10 and 60,970.30

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Solution

The fourth proportional to 173,163.40, 259,745.10 and 60,970.30 is: 91,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,163.40 : 259,745.10 = 60,970.30 : x
  2. Step 2: Convert to fraction form
    173,163.40/259,745.10 = 60,970.30/x
  3. Step 3: Cross multiply
    173,163.40x = 259,745.10 × 60,970.30
  4. Step 4: Simplify right side
    173,163.40x = 15,836,736,670.53
  5. Step 5: Solve for x
    x = 15,836,736,670.53/173,163.40
  6. Step 6: Final answer
    x = 91,455.45

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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.