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Finding the Fourth Proportional to 245,516.01, 368,274.50 and 68,023.50

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Solution

The fourth proportional to 245,516.01, 368,274.50 and 68,023.50 is: 102,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,516.01 : 368,274.50 = 68,023.50 : x
  2. Step 2: Convert to fraction form
    245,516.01/368,274.50 = 68,023.50/x
  3. Step 3: Cross multiply
    245,516.01x = 368,274.50 × 68,023.50
  4. Step 4: Simplify right side
    245,516.01x = 25,051,318,984.69
  5. Step 5: Solve for x
    x = 25,051,318,984.69/245,516.01
  6. Step 6: Final answer
    x = 102,035.38

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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.