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Finding the Fourth Proportional to 93,136.63, 139,703.58 and 23,015.94

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Solution

The fourth proportional to 93,136.63, 139,703.58 and 23,015.94 is: 34,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.63 : 139,703.58 = 23,015.94 : x
  2. Step 2: Convert to fraction form
    93,136.63/139,703.58 = 23,015.94/x
  3. Step 3: Cross multiply
    93,136.63x = 139,703.58 × 23,015.94
  4. Step 4: Simplify right side
    93,136.63x = 3,215,409,099.99
  5. Step 5: Solve for x
    x = 3,215,409,099.99/93,136.63
  6. Step 6: Final answer
    x = 34,523.57

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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.