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Finding the Fourth Proportional to 228,038.94, 314,691.59 and 126,067.02

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Solution

The fourth proportional to 228,038.94, 314,691.59 and 126,067.02 is: 173,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,038.94 : 314,691.59 = 126,067.02 : x
  2. Step 2: Convert to fraction form
    228,038.94/314,691.59 = 126,067.02/x
  3. Step 3: Cross multiply
    228,038.94x = 314,691.59 × 126,067.02
  4. Step 4: Simplify right side
    228,038.94x = 39,672,230,340.03
  5. Step 5: Solve for x
    x = 39,672,230,340.03/228,038.94
  6. Step 6: Final answer
    x = 173,971.30

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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.