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Finding the Fourth Proportional to 107,285.80, 160,986.30 and 44,962.60

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Solution

The fourth proportional to 107,285.80, 160,986.30 and 44,962.60 is: 67,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,285.80 : 160,986.30 = 44,962.60 : x
  2. Step 2: Convert to fraction form
    107,285.80/160,986.30 = 44,962.60/x
  3. Step 3: Cross multiply
    107,285.80x = 160,986.30 × 44,962.60
  4. Step 4: Simplify right side
    107,285.80x = 7,238,362,612.38
  5. Step 5: Solve for x
    x = 7,238,362,612.38/107,285.80
  6. Step 6: Final answer
    x = 67,468.04

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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.