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Finding the Fourth Proportional to 107,606.70, 161,408.72 and 48,400.56

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Solution

The fourth proportional to 107,606.70, 161,408.72 and 48,400.56 is: 72,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,606.70 : 161,408.72 = 48,400.56 : x
  2. Step 2: Convert to fraction form
    107,606.70/161,408.72 = 48,400.56/x
  3. Step 3: Cross multiply
    107,606.70x = 161,408.72 × 48,400.56
  4. Step 4: Simplify right side
    107,606.70x = 7,812,272,194.88
  5. Step 5: Solve for x
    x = 7,812,272,194.88/107,606.70
  6. Step 6: Final answer
    x = 72,600.24

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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.