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Finding the Fourth Proportional to 93,334.36, 128,802 and 50,893.60

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Solution

The fourth proportional to 93,334.36, 128,802 and 50,893.60 is: 70,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,334.36 : 128,802 = 50,893.60 : x
  2. Step 2: Convert to fraction form
    93,334.36/128,802 = 50,893.60/x
  3. Step 3: Cross multiply
    93,334.36x = 128,802 × 50,893.60
  4. Step 4: Simplify right side
    93,334.36x = 6,555,197,467.20
  5. Step 5: Solve for x
    x = 6,555,197,467.20/93,334.36
  6. Step 6: Final answer
    x = 70,233.49

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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.