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Finding the Fourth Proportional to 179,362.54, 268,950.40 and 66,950.32

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Solution

The fourth proportional to 179,362.54, 268,950.40 and 66,950.32 is: 100,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,362.54 : 268,950.40 = 66,950.32 : x
  2. Step 2: Convert to fraction form
    179,362.54/268,950.40 = 66,950.32/x
  3. Step 3: Cross multiply
    179,362.54x = 268,950.40 × 66,950.32
  4. Step 4: Simplify right side
    179,362.54x = 18,006,315,344.13
  5. Step 5: Solve for x
    x = 18,006,315,344.13/179,362.54
  6. Step 6: Final answer
    x = 100,390.61

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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.