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Finding the Fourth Proportional to 168,670.35, 253,047.06 and 118,847.76

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Solution

The fourth proportional to 168,670.35, 253,047.06 and 118,847.76 is: 178,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,670.35 : 253,047.06 = 118,847.76 : x
  2. Step 2: Convert to fraction form
    168,670.35/253,047.06 = 118,847.76/x
  3. Step 3: Cross multiply
    168,670.35x = 253,047.06 × 118,847.76
  4. Step 4: Simplify right side
    168,670.35x = 30,074,076,255.59
  5. Step 5: Solve for x
    x = 30,074,076,255.59/168,670.35
  6. Step 6: Final answer
    x = 178,300.91

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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.