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Finding the Fourth Proportional to 93,400.98, 128,893.77 and 50,960.40

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Solution

The fourth proportional to 93,400.98, 128,893.77 and 50,960.40 is: 70,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,400.98 : 128,893.77 = 50,960.40 : x
  2. Step 2: Convert to fraction form
    93,400.98/128,893.77 = 50,960.40/x
  3. Step 3: Cross multiply
    93,400.98x = 128,893.77 × 50,960.40
  4. Step 4: Simplify right side
    93,400.98x = 6,568,478,076.71
  5. Step 5: Solve for x
    x = 6,568,478,076.71/93,400.98
  6. Step 6: Final answer
    x = 70,325.58

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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.