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Finding the Fourth Proportional to 120,254.58, 180,379.98 and 41,369.49

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Solution

The fourth proportional to 120,254.58, 180,379.98 and 41,369.49 is: 62,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,254.58 : 180,379.98 = 41,369.49 : x
  2. Step 2: Convert to fraction form
    120,254.58/180,379.98 = 41,369.49/x
  3. Step 3: Cross multiply
    120,254.58x = 180,379.98 × 41,369.49
  4. Step 4: Simplify right side
    120,254.58x = 7,462,227,778.81
  5. Step 5: Solve for x
    x = 7,462,227,778.81/120,254.58
  6. Step 6: Final answer
    x = 62,053.58

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1.5x scale

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.