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Finding the Fourth Proportional to 212,967.72, 293,896.62 and 117,474.39

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Solution

The fourth proportional to 212,967.72, 293,896.62 and 117,474.39 is: 162,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,967.72 : 293,896.62 = 117,474.39 : x
  2. Step 2: Convert to fraction form
    212,967.72/293,896.62 = 117,474.39/x
  3. Step 3: Cross multiply
    212,967.72x = 293,896.62 × 117,474.39
  4. Step 4: Simplify right side
    212,967.72x = 34,525,326,157.56
  5. Step 5: Solve for x
    x = 34,525,326,157.56/212,967.72
  6. Step 6: Final answer
    x = 162,115.30

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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.