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Finding the Fourth Proportional to 202,362.83, 279,297.27 and 120,696.32

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Solution

The fourth proportional to 202,362.83, 279,297.27 and 120,696.32 is: 166,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,362.83 : 279,297.27 = 120,696.32 : x
  2. Step 2: Convert to fraction form
    202,362.83/279,297.27 = 120,696.32/x
  3. Step 3: Cross multiply
    202,362.83x = 279,297.27 × 120,696.32
  4. Step 4: Simplify right side
    202,362.83x = 33,710,152,675.05
  5. Step 5: Solve for x
    x = 33,710,152,675.05/202,362.83
  6. Step 6: Final answer
    x = 166,582.73

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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.