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Finding the Fourth Proportional to 118,898.35, 178,370.83 and 44,019.07

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Solution

The fourth proportional to 118,898.35, 178,370.83 and 44,019.07 is: 66,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,898.35 : 178,370.83 = 44,019.07 : x
  2. Step 2: Convert to fraction form
    118,898.35/178,370.83 = 44,019.07/x
  3. Step 3: Cross multiply
    118,898.35x = 178,370.83 × 44,019.07
  4. Step 4: Simplify right side
    118,898.35x = 7,851,718,051.73
  5. Step 5: Solve for x
    x = 7,851,718,051.73/118,898.35
  6. Step 6: Final answer
    x = 66,037.23

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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.