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Finding the Fourth Proportional to 113,465.76, 170,198.37 and 30,359.76

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Solution

The fourth proportional to 113,465.76, 170,198.37 and 30,359.76 is: 45,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,465.76 : 170,198.37 = 30,359.76 : x
  2. Step 2: Convert to fraction form
    113,465.76/170,198.37 = 30,359.76/x
  3. Step 3: Cross multiply
    113,465.76x = 170,198.37 × 30,359.76
  4. Step 4: Simplify right side
    113,465.76x = 5,167,181,665.59
  5. Step 5: Solve for x
    x = 5,167,181,665.59/113,465.76
  6. Step 6: Final answer
    x = 45,539.57

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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.