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Finding the Fourth Proportional to 299,170.22, 448,623.74 and 112,050.50

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Solution

The fourth proportional to 299,170.22, 448,623.74 and 112,050.50 is: 168,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,170.22 : 448,623.74 = 112,050.50 : x
  2. Step 2: Convert to fraction form
    299,170.22/448,623.74 = 112,050.50/x
  3. Step 3: Cross multiply
    299,170.22x = 448,623.74 × 112,050.50
  4. Step 4: Simplify right side
    299,170.22x = 50,268,514,378.87
  5. Step 5: Solve for x
    x = 50,268,514,378.87/299,170.22
  6. Step 6: Final answer
    x = 168,026.46

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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.