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Finding the Fourth Proportional to 248,369.36, 372,554.16 and 82,157.36

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Solution

The fourth proportional to 248,369.36, 372,554.16 and 82,157.36 is: 123,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,369.36 : 372,554.16 = 82,157.36 : x
  2. Step 2: Convert to fraction form
    248,369.36/372,554.16 = 82,157.36/x
  3. Step 3: Cross multiply
    248,369.36x = 372,554.16 × 82,157.36
  4. Step 4: Simplify right side
    248,369.36x = 30,608,066,242.62
  5. Step 5: Solve for x
    x = 30,608,066,242.62/248,369.36
  6. Step 6: Final answer
    x = 123,236.08

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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.