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Finding the Fourth Proportional to 168,059.70, 251,868.15 and 123,477.30

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Solution

The fourth proportional to 168,059.70, 251,868.15 and 123,477.30 is: 185,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,059.70 : 251,868.15 = 123,477.30 : x
  2. Step 2: Convert to fraction form
    168,059.70/251,868.15 = 123,477.30/x
  3. Step 3: Cross multiply
    168,059.70x = 251,868.15 × 123,477.30
  4. Step 4: Simplify right side
    168,059.70x = 31,099,999,118.00
  5. Step 5: Solve for x
    x = 31,099,999,118.00/168,059.70
  6. Step 6: Final answer
    x = 185,053.28

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1.5x scale

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.