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Finding the Fourth Proportional to 67,485.52, 101,289.93 and 34,228.54

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Solution

The fourth proportional to 67,485.52, 101,289.93 and 34,228.54 is: 51,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,485.52 : 101,289.93 = 34,228.54 : x
  2. Step 2: Convert to fraction form
    67,485.52/101,289.93 = 34,228.54/x
  3. Step 3: Cross multiply
    67,485.52x = 101,289.93 × 34,228.54
  4. Step 4: Simplify right side
    67,485.52x = 3,467,006,420.60
  5. Step 5: Solve for x
    x = 3,467,006,420.60/67,485.52
  6. Step 6: Final answer
    x = 51,374.08

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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.