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Finding the Fourth Proportional to 93,233.97, 128,672.16 and 56,933.41

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Solution

The fourth proportional to 93,233.97, 128,672.16 and 56,933.41 is: 78,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,233.97 : 128,672.16 = 56,933.41 : x
  2. Step 2: Convert to fraction form
    93,233.97/128,672.16 = 56,933.41/x
  3. Step 3: Cross multiply
    93,233.97x = 128,672.16 × 56,933.41
  4. Step 4: Simplify right side
    93,233.97x = 7,325,744,840.87
  5. Step 5: Solve for x
    x = 7,325,744,840.87/93,233.97
  6. Step 6: Final answer
    x = 78,573.77

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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.