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Finding the Fourth Proportional to 92,516.70, 138,675.69 and 39,950.94

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Solution

The fourth proportional to 92,516.70, 138,675.69 and 39,950.94 is: 59,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,516.70 : 138,675.69 = 39,950.94 : x
  2. Step 2: Convert to fraction form
    92,516.70/138,675.69 = 39,950.94/x
  3. Step 3: Cross multiply
    92,516.70x = 138,675.69 × 39,950.94
  4. Step 4: Simplify right side
    92,516.70x = 5,540,224,170.65
  5. Step 5: Solve for x
    x = 5,540,224,170.65/92,516.70
  6. Step 6: Final answer
    x = 59,883.50

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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.