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Finding the Fourth Proportional to 118,144.88, 177,299.40 and 48,024.26

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Solution

The fourth proportional to 118,144.88, 177,299.40 and 48,024.26 is: 72,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,144.88 : 177,299.40 = 48,024.26 : x
  2. Step 2: Convert to fraction form
    118,144.88/177,299.40 = 48,024.26/x
  3. Step 3: Cross multiply
    118,144.88x = 177,299.40 × 48,024.26
  4. Step 4: Simplify right side
    118,144.88x = 8,514,671,596.95
  5. Step 5: Solve for x
    x = 8,514,671,596.95/118,144.88
  6. Step 6: Final answer
    x = 72,069.75

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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.