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Finding the Fourth Proportional to 299,121.85, 448,551.42 and 112,002.13

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Solution

The fourth proportional to 299,121.85, 448,551.42 and 112,002.13 is: 167,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,121.85 : 448,551.42 = 112,002.13 : x
  2. Step 2: Convert to fraction form
    299,121.85/448,551.42 = 112,002.13/x
  3. Step 3: Cross multiply
    299,121.85x = 448,551.42 × 112,002.13
  4. Step 4: Simplify right side
    299,121.85x = 50,238,714,454.52
  5. Step 5: Solve for x
    x = 50,238,714,454.52/299,121.85
  6. Step 6: Final answer
    x = 167,954.01

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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.