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Finding the Fourth Proportional to 80,368.76, 110,903.47 and 46,378.67

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Solution

The fourth proportional to 80,368.76, 110,903.47 and 46,378.67 is: 63,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,368.76 : 110,903.47 = 46,378.67 : x
  2. Step 2: Convert to fraction form
    80,368.76/110,903.47 = 46,378.67/x
  3. Step 3: Cross multiply
    80,368.76x = 110,903.47 × 46,378.67
  4. Step 4: Simplify right side
    80,368.76x = 5,143,555,436.98
  5. Step 5: Solve for x
    x = 5,143,555,436.98/80,368.76
  6. Step 6: Final answer
    x = 63,999.44

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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.