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Finding the Fourth Proportional to 55,893.38, 77,129.43 and 32,014.58

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Solution

The fourth proportional to 55,893.38, 77,129.43 and 32,014.58 is: 44,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,893.38 : 77,129.43 = 32,014.58 : x
  2. Step 2: Convert to fraction form
    55,893.38/77,129.43 = 32,014.58/x
  3. Step 3: Cross multiply
    55,893.38x = 77,129.43 × 32,014.58
  4. Step 4: Simplify right side
    55,893.38x = 2,469,266,307.09
  5. Step 5: Solve for x
    x = 2,469,266,307.09/55,893.38
  6. Step 6: Final answer
    x = 44,178.15

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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.