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Finding the Fourth Proportional to 168,674.98, 253,054 and 118,852.38

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Solution

The fourth proportional to 168,674.98, 253,054 and 118,852.38 is: 178,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,674.98 : 253,054 = 118,852.38 : x
  2. Step 2: Convert to fraction form
    168,674.98/253,054 = 118,852.38/x
  3. Step 3: Cross multiply
    168,674.98x = 253,054 × 118,852.38
  4. Step 4: Simplify right side
    168,674.98x = 30,076,070,168.52
  5. Step 5: Solve for x
    x = 30,076,070,168.52/168,674.98
  6. Step 6: Final answer
    x = 178,307.83

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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.