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Finding the Fourth Proportional to 97,059.62, 145,485.74 and 69,273.38

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Solution

The fourth proportional to 97,059.62, 145,485.74 and 69,273.38 is: 103,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,059.62 : 145,485.74 = 69,273.38 : x
  2. Step 2: Convert to fraction form
    97,059.62/145,485.74 = 69,273.38/x
  3. Step 3: Cross multiply
    97,059.62x = 145,485.74 × 69,273.38
  4. Step 4: Simplify right side
    97,059.62x = 10,078,288,951.60
  5. Step 5: Solve for x
    x = 10,078,288,951.60/97,059.62
  6. Step 6: Final answer
    x = 103,836.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.