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Finding the Fourth Proportional to 107,503.96, 161,200.60 and 48,288.80

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Solution

The fourth proportional to 107,503.96, 161,200.60 and 48,288.80 is: 72,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,503.96 : 161,200.60 = 48,288.80 : x
  2. Step 2: Convert to fraction form
    107,503.96/161,200.60 = 48,288.80/x
  3. Step 3: Cross multiply
    107,503.96x = 161,200.60 × 48,288.80
  4. Step 4: Simplify right side
    107,503.96x = 7,784,183,533.28
  5. Step 5: Solve for x
    x = 7,784,183,533.28/107,503.96
  6. Step 6: Final answer
    x = 72,408.34

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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.