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Finding the Fourth Proportional to 92,614.98, 127,806.90 and 51,778.94

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Solution

The fourth proportional to 92,614.98, 127,806.90 and 51,778.94 is: 71,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,614.98 : 127,806.90 = 51,778.94 : x
  2. Step 2: Convert to fraction form
    92,614.98/127,806.90 = 51,778.94/x
  3. Step 3: Cross multiply
    92,614.98x = 127,806.90 × 51,778.94
  4. Step 4: Simplify right side
    92,614.98x = 6,617,705,167.65
  5. Step 5: Solve for x
    x = 6,617,705,167.65/92,614.98
  6. Step 6: Final answer
    x = 71,453.94

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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.