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Finding the Fourth Proportional to 80,209.99, 110,692.40 and 46,215.84

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Solution

The fourth proportional to 80,209.99, 110,692.40 and 46,215.84 is: 63,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,209.99 : 110,692.40 = 46,215.84 : x
  2. Step 2: Convert to fraction form
    80,209.99/110,692.40 = 46,215.84/x
  3. Step 3: Cross multiply
    80,209.99x = 110,692.40 × 46,215.84
  4. Step 4: Simplify right side
    80,209.99x = 5,115,742,016.54
  5. Step 5: Solve for x
    x = 5,115,742,016.54/80,209.99
  6. Step 6: Final answer
    x = 63,779.36

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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.