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Finding the Fourth Proportional to 80,764.80, 111,453.67 and 46,774.77

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Solution

The fourth proportional to 80,764.80, 111,453.67 and 46,774.77 is: 64,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,764.80 : 111,453.67 = 46,774.77 : x
  2. Step 2: Convert to fraction form
    80,764.80/111,453.67 = 46,774.77/x
  3. Step 3: Cross multiply
    80,764.80x = 111,453.67 × 46,774.77
  4. Step 4: Simplify right side
    80,764.80x = 5,213,219,420.42
  5. Step 5: Solve for x
    x = 5,213,219,420.42/80,764.80
  6. Step 6: Final answer
    x = 64,548.17

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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.