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Finding the Fourth Proportional to 456,043.60, 684,003.30 and 119,110.60

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Solution

The fourth proportional to 456,043.60, 684,003.30 and 119,110.60 is: 178,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,043.60 : 684,003.30 = 119,110.60 : x
  2. Step 2: Convert to fraction form
    456,043.60/684,003.30 = 119,110.60/x
  3. Step 3: Cross multiply
    456,043.60x = 684,003.30 × 119,110.60
  4. Step 4: Simplify right side
    456,043.60x = 81,472,043,464.98
  5. Step 5: Solve for x
    x = 81,472,043,464.98/456,043.60
  6. Step 6: Final answer
    x = 178,649.68

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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.