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Finding the Fourth Proportional to 107,235.80, 160,911.30 and 44,912.60

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Solution

The fourth proportional to 107,235.80, 160,911.30 and 44,912.60 is: 67,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,235.80 : 160,911.30 = 44,912.60 : x
  2. Step 2: Convert to fraction form
    107,235.80/160,911.30 = 44,912.60/x
  3. Step 3: Cross multiply
    107,235.80x = 160,911.30 × 44,912.60
  4. Step 4: Simplify right side
    107,235.80x = 7,226,944,852.38
  5. Step 5: Solve for x
    x = 7,226,944,852.38/107,235.80
  6. Step 6: Final answer
    x = 67,393.02

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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.