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Finding the Fourth Proportional to 118,891.22, 178,360.14 and 44,011.94

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Solution

The fourth proportional to 118,891.22, 178,360.14 and 44,011.94 is: 66,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891.22 : 178,360.14 = 44,011.94 : x
  2. Step 2: Convert to fraction form
    118,891.22/178,360.14 = 44,011.94/x
  3. Step 3: Cross multiply
    118,891.22x = 178,360.14 × 44,011.94
  4. Step 4: Simplify right side
    118,891.22x = 7,849,975,780.07
  5. Step 5: Solve for x
    x = 7,849,975,780.07/118,891.22
  6. Step 6: Final answer
    x = 66,026.54

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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.