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Finding the Fourth Proportional to 76,094.94, 104,772.51 and 69,096.54

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Solution

The fourth proportional to 76,094.94, 104,772.51 and 69,096.54 is: 95,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,094.94 : 104,772.51 = 69,096.54 : x
  2. Step 2: Convert to fraction form
    76,094.94/104,772.51 = 69,096.54/x
  3. Step 3: Cross multiply
    76,094.94x = 104,772.51 × 69,096.54
  4. Step 4: Simplify right side
    76,094.94x = 7,239,417,928.12
  5. Step 5: Solve for x
    x = 7,239,417,928.12/76,094.94
  6. Step 6: Final answer
    x = 95,136.65

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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.