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Finding the Fourth Proportional to 93,163.49, 128,567.94 and 50,724.35

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Solution

The fourth proportional to 93,163.49, 128,567.94 and 50,724.35 is: 70,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,163.49 : 128,567.94 = 50,724.35 : x
  2. Step 2: Convert to fraction form
    93,163.49/128,567.94 = 50,724.35/x
  3. Step 3: Cross multiply
    93,163.49x = 128,567.94 × 50,724.35
  4. Step 4: Simplify right side
    93,163.49x = 6,521,525,187.34
  5. Step 5: Solve for x
    x = 6,521,525,187.34/93,163.49
  6. Step 6: Final answer
    x = 70,000.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.