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Finding the Fourth Proportional to 228,877.10, 315,787.04 and 132,074.22

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Solution

The fourth proportional to 228,877.10, 315,787.04 and 132,074.22 is: 182,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,877.10 : 315,787.04 = 132,074.22 : x
  2. Step 2: Convert to fraction form
    228,877.10/315,787.04 = 132,074.22/x
  3. Step 3: Cross multiply
    228,877.10x = 315,787.04 × 132,074.22
  4. Step 4: Simplify right side
    228,877.10x = 41,707,326,994.11
  5. Step 5: Solve for x
    x = 41,707,326,994.11/228,877.10
  6. Step 6: Final answer
    x = 182,225.86

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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.