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Finding the Fourth Proportional to 212,407.82, 293,120.48 and 116,912.46

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Solution

The fourth proportional to 212,407.82, 293,120.48 and 116,912.46 is: 161,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,407.82 : 293,120.48 = 116,912.46 : x
  2. Step 2: Convert to fraction form
    212,407.82/293,120.48 = 116,912.46/x
  3. Step 3: Cross multiply
    212,407.82x = 293,120.48 × 116,912.46
  4. Step 4: Simplify right side
    212,407.82x = 34,269,436,393.18
  5. Step 5: Solve for x
    x = 34,269,436,393.18/212,407.82
  6. Step 6: Final answer
    x = 161,337.92

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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.