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Finding the Fourth Proportional to 93,263.14, 139,936.02 and 48,879.28

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Solution

The fourth proportional to 93,263.14, 139,936.02 and 48,879.28 is: 73,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,263.14 : 139,936.02 = 48,879.28 : x
  2. Step 2: Convert to fraction form
    93,263.14/139,936.02 = 48,879.28/x
  3. Step 3: Cross multiply
    93,263.14x = 139,936.02 × 48,879.28
  4. Step 4: Simplify right side
    93,263.14x = 6,839,971,903.67
  5. Step 5: Solve for x
    x = 6,839,971,903.67/93,263.14
  6. Step 6: Final answer
    x = 73,340.57

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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.