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Finding the Fourth Proportional to 118,326, 177,514.92 and 44,454

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Solution

The fourth proportional to 118,326, 177,514.92 and 44,454 is: 66,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,326 : 177,514.92 = 44,454 : x
  2. Step 2: Convert to fraction form
    118,326/177,514.92 = 44,454/x
  3. Step 3: Cross multiply
    118,326x = 177,514.92 × 44,454
  4. Step 4: Simplify right side
    118,326x = 7,891,248,253.68
  5. Step 5: Solve for x
    x = 7,891,248,253.68/118,326
  6. Step 6: Final answer
    x = 66,690.74

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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.