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Finding the Fourth Proportional to 113,508.75, 170,247.87 and 46,939.71

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Solution

The fourth proportional to 113,508.75, 170,247.87 and 46,939.71 is: 70,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,508.75 : 170,247.87 = 46,939.71 : x
  2. Step 2: Convert to fraction form
    113,508.75/170,247.87 = 46,939.71/x
  3. Step 3: Cross multiply
    113,508.75x = 170,247.87 × 46,939.71
  4. Step 4: Simplify right side
    113,508.75x = 7,991,385,645.92
  5. Step 5: Solve for x
    x = 7,991,385,645.92/113,508.75
  6. Step 6: Final answer
    x = 70,403.26

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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.