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Finding the Fourth Proportional to 93,303.36, 139,845.69 and 45,940.23

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Solution

The fourth proportional to 93,303.36, 139,845.69 and 45,940.23 is: 68,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,303.36 : 139,845.69 = 45,940.23 : x
  2. Step 2: Convert to fraction form
    93,303.36/139,845.69 = 45,940.23/x
  3. Step 3: Cross multiply
    93,303.36x = 139,845.69 × 45,940.23
  4. Step 4: Simplify right side
    93,303.36x = 6,424,543,163.11
  5. Step 5: Solve for x
    x = 6,424,543,163.11/93,303.36
  6. Step 6: Final answer
    x = 68,856.50

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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.