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Finding the Fourth Proportional to 93,263.73, 139,778.54 and 73,464.09

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Solution

The fourth proportional to 93,263.73, 139,778.54 and 73,464.09 is: 110,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,263.73 : 139,778.54 = 73,464.09 : x
  2. Step 2: Convert to fraction form
    93,263.73/139,778.54 = 73,464.09/x
  3. Step 3: Cross multiply
    93,263.73x = 139,778.54 × 73,464.09
  4. Step 4: Simplify right side
    93,263.73x = 10,268,702,875.31
  5. Step 5: Solve for x
    x = 10,268,702,875.31/93,263.73
  6. Step 6: Final answer
    x = 110,103.93

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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.