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Finding the Fourth Proportional to 192,768.04, 290,468.32 and 158,475.88

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Solution

The fourth proportional to 192,768.04, 290,468.32 and 158,475.88 is: 238,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,768.04 : 290,468.32 = 158,475.88 : x
  2. Step 2: Convert to fraction form
    192,768.04/290,468.32 = 158,475.88/x
  3. Step 3: Cross multiply
    192,768.04x = 290,468.32 × 158,475.88
  4. Step 4: Simplify right side
    192,768.04x = 46,032,222,624.12
  5. Step 5: Solve for x
    x = 46,032,222,624.12/192,768.04
  6. Step 6: Final answer
    x = 238,795.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.