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Finding the Fourth Proportional to 93,252.87, 128,688.99 and 50,811.39

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Solution

The fourth proportional to 93,252.87, 128,688.99 and 50,811.39 is: 70,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,252.87 : 128,688.99 = 50,811.39 : x
  2. Step 2: Convert to fraction form
    93,252.87/128,688.99 = 50,811.39/x
  3. Step 3: Cross multiply
    93,252.87x = 128,688.99 × 50,811.39
  4. Step 4: Simplify right side
    93,252.87x = 6,538,866,459.60
  5. Step 5: Solve for x
    x = 6,538,866,459.60/93,252.87
  6. Step 6: Final answer
    x = 70,119.73

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Why These Related Problems?

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