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Finding the Fourth Proportional to 141,755.58, 212,669.96 and 53,009.73

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Solution

The fourth proportional to 141,755.58, 212,669.96 and 53,009.73 is: 79,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,755.58 : 212,669.96 = 53,009.73 : x
  2. Step 2: Convert to fraction form
    141,755.58/212,669.96 = 53,009.73/x
  3. Step 3: Cross multiply
    141,755.58x = 212,669.96 × 53,009.73
  4. Step 4: Simplify right side
    141,755.58x = 11,273,576,893.66
  5. Step 5: Solve for x
    x = 11,273,576,893.66/141,755.58
  6. Step 6: Final answer
    x = 79,528.28

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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.