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Finding the Fourth Proportional to 92,012.94, 138,019.37 and 29,683.44

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Solution

The fourth proportional to 92,012.94, 138,019.37 and 29,683.44 is: 44,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012.94 : 138,019.37 = 29,683.44 : x
  2. Step 2: Convert to fraction form
    92,012.94/138,019.37 = 29,683.44/x
  3. Step 3: Cross multiply
    92,012.94x = 138,019.37 × 29,683.44
  4. Step 4: Simplify right side
    92,012.94x = 4,096,889,539.82
  5. Step 5: Solve for x
    x = 4,096,889,539.82/92,012.94
  6. Step 6: Final answer
    x = 44,525.15

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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.