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Finding the Fourth Proportional to 168,698.40, 253,047.60 and 44,039.40

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Solution

The fourth proportional to 168,698.40, 253,047.60 and 44,039.40 is: 66,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,698.40 : 253,047.60 = 44,039.40 : x
  2. Step 2: Convert to fraction form
    168,698.40/253,047.60 = 44,039.40/x
  3. Step 3: Cross multiply
    168,698.40x = 253,047.60 × 44,039.40
  4. Step 4: Simplify right side
    168,698.40x = 11,144,064,475.44
  5. Step 5: Solve for x
    x = 11,144,064,475.44/168,698.40
  6. Step 6: Final answer
    x = 66,059.10

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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.