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Finding the Fourth Proportional to 113,793.53, 170,690.34 and 38,914.37

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Solution

The fourth proportional to 113,793.53, 170,690.34 and 38,914.37 is: 58,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,793.53 : 170,690.34 = 38,914.37 : x
  2. Step 2: Convert to fraction form
    113,793.53/170,690.34 = 38,914.37/x
  3. Step 3: Cross multiply
    113,793.53x = 170,690.34 × 38,914.37
  4. Step 4: Simplify right side
    113,793.53x = 6,642,307,046.19
  5. Step 5: Solve for x
    x = 6,642,307,046.19/113,793.53
  6. Step 6: Final answer
    x = 58,371.57

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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.