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Finding the Fourth Proportional to 93,198.18, 139,846.48 and 40,611.77

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Solution

The fourth proportional to 93,198.18, 139,846.48 and 40,611.77 is: 60,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,198.18 : 139,846.48 = 40,611.77 : x
  2. Step 2: Convert to fraction form
    93,198.18/139,846.48 = 40,611.77/x
  3. Step 3: Cross multiply
    93,198.18x = 139,846.48 × 40,611.77
  4. Step 4: Simplify right side
    93,198.18x = 5,679,413,081.07
  5. Step 5: Solve for x
    x = 5,679,413,081.07/93,198.18
  6. Step 6: Final answer
    x = 60,939.10

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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.