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Finding the Fourth Proportional to 98,889.94, 148,318.50 and 35,697.94

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Solution

The fourth proportional to 98,889.94, 148,318.50 and 35,697.94 is: 53,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,889.94 : 148,318.50 = 35,697.94 : x
  2. Step 2: Convert to fraction form
    98,889.94/148,318.50 = 35,697.94/x
  3. Step 3: Cross multiply
    98,889.94x = 148,318.50 × 35,697.94
  4. Step 4: Simplify right side
    98,889.94x = 5,294,664,172.30
  5. Step 5: Solve for x
    x = 5,294,664,172.30/98,889.94
  6. Step 6: Final answer
    x = 53,540.98

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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.