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Finding the Fourth Proportional to 118,894.30, 178,345.32 and 44,033.32

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Solution

The fourth proportional to 118,894.30, 178,345.32 and 44,033.32 is: 66,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894.30 : 178,345.32 = 44,033.32 : x
  2. Step 2: Convert to fraction form
    118,894.30/178,345.32 = 44,033.32/x
  3. Step 3: Cross multiply
    118,894.30x = 178,345.32 × 44,033.32
  4. Step 4: Simplify right side
    118,894.30x = 7,853,136,546.06
  5. Step 5: Solve for x
    x = 7,853,136,546.06/118,894.30
  6. Step 6: Final answer
    x = 66,051.41

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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.