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Finding the Fourth Proportional to 141,853.63, 212,787.72 and 36,673.51

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Solution

The fourth proportional to 141,853.63, 212,787.72 and 36,673.51 is: 55,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853.63 : 212,787.72 = 36,673.51 : x
  2. Step 2: Convert to fraction form
    141,853.63/212,787.72 = 36,673.51/x
  3. Step 3: Cross multiply
    141,853.63x = 212,787.72 × 36,673.51
  4. Step 4: Simplify right side
    141,853.63x = 7,803,672,577.30
  5. Step 5: Solve for x
    x = 7,803,672,577.30/141,853.63
  6. Step 6: Final answer
    x = 55,012.15

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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.