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Finding the Fourth Proportional to 192,758.08, 289,066.08 and 66,362.32

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Solution

The fourth proportional to 192,758.08, 289,066.08 and 66,362.32 is: 99,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,758.08 : 289,066.08 = 66,362.32 : x
  2. Step 2: Convert to fraction form
    192,758.08/289,066.08 = 66,362.32/x
  3. Step 3: Cross multiply
    192,758.08x = 289,066.08 × 66,362.32
  4. Step 4: Simplify right side
    192,758.08x = 19,183,095,702.11
  5. Step 5: Solve for x
    x = 19,183,095,702.11/192,758.08
  6. Step 6: Final answer
    x = 99,519.02

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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.