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Finding the Fourth Proportional to 104,794.56, 144,616.50 and 57,048.26

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Solution

The fourth proportional to 104,794.56, 144,616.50 and 57,048.26 is: 78,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,794.56 : 144,616.50 = 57,048.26 : x
  2. Step 2: Convert to fraction form
    104,794.56/144,616.50 = 57,048.26/x
  3. Step 3: Cross multiply
    104,794.56x = 144,616.50 × 57,048.26
  4. Step 4: Simplify right side
    104,794.56x = 8,250,119,692.29
  5. Step 5: Solve for x
    x = 8,250,119,692.29/104,794.56
  6. Step 6: Final answer
    x = 78,726.60

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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.