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Finding the Fourth Proportional to 365,535.19, 548,310.30 and 112,815.82

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Solution

The fourth proportional to 365,535.19, 548,310.30 and 112,815.82 is: 169,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,535.19 : 548,310.30 = 112,815.82 : x
  2. Step 2: Convert to fraction form
    365,535.19/548,310.30 = 112,815.82/x
  3. Step 3: Cross multiply
    365,535.19x = 548,310.30 × 112,815.82
  4. Step 4: Simplify right side
    365,535.19x = 61,858,076,108.95
  5. Step 5: Solve for x
    x = 61,858,076,108.95/365,535.19
  6. Step 6: Final answer
    x = 169,226.05

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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.