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Finding the Fourth Proportional to 93,000.94, 128,351.31 and 52,710.37

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Solution

The fourth proportional to 93,000.94, 128,351.31 and 52,710.37 is: 72,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.94 : 128,351.31 = 52,710.37 : x
  2. Step 2: Convert to fraction form
    93,000.94/128,351.31 = 52,710.37/x
  3. Step 3: Cross multiply
    93,000.94x = 128,351.31 × 52,710.37
  4. Step 4: Simplify right side
    93,000.94x = 6,765,444,398.33
  5. Step 5: Solve for x
    x = 6,765,444,398.33/93,000.94
  6. Step 6: Final answer
    x = 72,745.98

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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.