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Finding the Fourth Proportional to 212,883.94, 293,768.76 and 132,309.73

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Solution

The fourth proportional to 212,883.94, 293,768.76 and 132,309.73 is: 182,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,883.94 : 293,768.76 = 132,309.73 : x
  2. Step 2: Convert to fraction form
    212,883.94/293,768.76 = 132,309.73/x
  3. Step 3: Cross multiply
    212,883.94x = 293,768.76 × 132,309.73
  4. Step 4: Simplify right side
    212,883.94x = 38,868,465,318.03
  5. Step 5: Solve for x
    x = 38,868,465,318.03/212,883.94
  6. Step 6: Final answer
    x = 182,580.54

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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.