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Finding the Fourth Proportional to 365,785.09, 548,730.11 and 113,085.32

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Solution

The fourth proportional to 365,785.09, 548,730.11 and 113,085.32 is: 169,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,785.09 : 548,730.11 = 113,085.32 : x
  2. Step 2: Convert to fraction form
    365,785.09/548,730.11 = 113,085.32/x
  3. Step 3: Cross multiply
    365,785.09x = 548,730.11 × 113,085.32
  4. Step 4: Simplify right side
    365,785.09x = 62,053,317,622.05
  5. Step 5: Solve for x
    x = 62,053,317,622.05/365,785.09
  6. Step 6: Final answer
    x = 169,644.20

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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.