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Finding the Fourth Proportional to 142,431.44, 213,630.84 and 37,260.56

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Solution

The fourth proportional to 142,431.44, 213,630.84 and 37,260.56 is: 55,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,431.44 : 213,630.84 = 37,260.56 : x
  2. Step 2: Convert to fraction form
    142,431.44/213,630.84 = 37,260.56/x
  3. Step 3: Cross multiply
    142,431.44x = 213,630.84 × 37,260.56
  4. Step 4: Simplify right side
    142,431.44x = 7,960,004,731.67
  5. Step 5: Solve for x
    x = 7,960,004,731.67/142,431.44
  6. Step 6: Final answer
    x = 55,886.57

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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.