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Finding the Fourth Proportional to 93,059.58, 128,418.33 and 54,820.70

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Solution

The fourth proportional to 93,059.58, 128,418.33 and 54,820.70 is: 75,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,059.58 : 128,418.33 = 54,820.70 : x
  2. Step 2: Convert to fraction form
    93,059.58/128,418.33 = 54,820.70/x
  3. Step 3: Cross multiply
    93,059.58x = 128,418.33 × 54,820.70
  4. Step 4: Simplify right side
    93,059.58x = 7,039,982,306.92
  5. Step 5: Solve for x
    x = 7,039,982,306.92/93,059.58
  6. Step 6: Final answer
    x = 75,650.27

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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.