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Finding the Fourth Proportional to 80,225.39, 110,692.27 and 54,784.65

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Solution

The fourth proportional to 80,225.39, 110,692.27 and 54,784.65 is: 75,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,225.39 : 110,692.27 = 54,784.65 : x
  2. Step 2: Convert to fraction form
    80,225.39/110,692.27 = 54,784.65/x
  3. Step 3: Cross multiply
    80,225.39x = 110,692.27 × 54,784.65
  4. Step 4: Simplify right side
    80,225.39x = 6,064,237,753.23
  5. Step 5: Solve for x
    x = 6,064,237,753.23/80,225.39
  6. Step 6: Final answer
    x = 75,590.01

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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.