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Finding the Fourth Proportional to 75,160.96, 103,672.20 and 48,337.39

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Solution

The fourth proportional to 75,160.96, 103,672.20 and 48,337.39 is: 66,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,160.96 : 103,672.20 = 48,337.39 : x
  2. Step 2: Convert to fraction form
    75,160.96/103,672.20 = 48,337.39/x
  3. Step 3: Cross multiply
    75,160.96x = 103,672.20 × 48,337.39
  4. Step 4: Simplify right side
    75,160.96x = 5,011,243,563.56
  5. Step 5: Solve for x
    x = 5,011,243,563.56/75,160.96
  6. Step 6: Final answer
    x = 66,673.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.