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Finding the Fourth Proportional to 187,617.68, 258,912.57 and 101,576.72

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Solution

The fourth proportional to 187,617.68, 258,912.57 and 101,576.72 is: 140,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,617.68 : 258,912.57 = 101,576.72 : x
  2. Step 2: Convert to fraction form
    187,617.68/258,912.57 = 101,576.72/x
  3. Step 3: Cross multiply
    187,617.68x = 258,912.57 × 101,576.72
  4. Step 4: Simplify right side
    187,617.68x = 26,299,488,627.81
  5. Step 5: Solve for x
    x = 26,299,488,627.81/187,617.68
  6. Step 6: Final answer
    x = 140,175.96

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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.