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Finding the Fourth Proportional to 228,080.19, 314,745.12 and 126,103.02

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Solution

The fourth proportional to 228,080.19, 314,745.12 and 126,103.02 is: 174,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080.19 : 314,745.12 = 126,103.02 : x
  2. Step 2: Convert to fraction form
    228,080.19/314,745.12 = 126,103.02/x
  3. Step 3: Cross multiply
    228,080.19x = 314,745.12 × 126,103.02
  4. Step 4: Simplify right side
    228,080.19x = 39,690,310,162.26
  5. Step 5: Solve for x
    x = 39,690,310,162.26/228,080.19
  6. Step 6: Final answer
    x = 174,019.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.