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Finding the Fourth Proportional to 80,437.01, 120,650.58 and 36,051.84

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Solution

The fourth proportional to 80,437.01, 120,650.58 and 36,051.84 is: 54,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,437.01 : 120,650.58 = 36,051.84 : x
  2. Step 2: Convert to fraction form
    80,437.01/120,650.58 = 36,051.84/x
  3. Step 3: Cross multiply
    80,437.01x = 120,650.58 × 36,051.84
  4. Step 4: Simplify right side
    80,437.01x = 4,349,675,406.07
  5. Step 5: Solve for x
    x = 4,349,675,406.07/80,437.01
  6. Step 6: Final answer
    x = 54,075.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.