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Finding the Fourth Proportional to 120,404.98, 180,495.74 and 44,461.58

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Solution

The fourth proportional to 120,404.98, 180,495.74 and 44,461.58 is: 66,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,404.98 : 180,495.74 = 44,461.58 : x
  2. Step 2: Convert to fraction form
    120,404.98/180,495.74 = 44,461.58/x
  3. Step 3: Cross multiply
    120,404.98x = 180,495.74 × 44,461.58
  4. Step 4: Simplify right side
    120,404.98x = 8,025,124,992.34
  5. Step 5: Solve for x
    x = 8,025,124,992.34/120,404.98
  6. Step 6: Final answer
    x = 66,651.10

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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.