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Finding the Fourth Proportional to 134,704.60, 185,893.61 and 74,277.41

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Solution

The fourth proportional to 134,704.60, 185,893.61 and 74,277.41 is: 102,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,704.60 : 185,893.61 = 74,277.41 : x
  2. Step 2: Convert to fraction form
    134,704.60/185,893.61 = 74,277.41/x
  3. Step 3: Cross multiply
    134,704.60x = 185,893.61 × 74,277.41
  4. Step 4: Simplify right side
    134,704.60x = 13,807,694,585.50
  5. Step 5: Solve for x
    x = 13,807,694,585.50/134,704.60
  6. Step 6: Final answer
    x = 102,503.51

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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.