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Finding the Fourth Proportional to 107,320.80, 161,038.80 and 44,997.60

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Solution

The fourth proportional to 107,320.80, 161,038.80 and 44,997.60 is: 67,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,320.80 : 161,038.80 = 44,997.60 : x
  2. Step 2: Convert to fraction form
    107,320.80/161,038.80 = 44,997.60/x
  3. Step 3: Cross multiply
    107,320.80x = 161,038.80 × 44,997.60
  4. Step 4: Simplify right side
    107,320.80x = 7,246,359,506.88
  5. Step 5: Solve for x
    x = 7,246,359,506.88/107,320.80
  6. Step 6: Final answer
    x = 67,520.55

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1.5x scale

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.