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Finding the Fourth Proportional to 92,700.39, 127,918.67 and 52,408.56

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Solution

The fourth proportional to 92,700.39, 127,918.67 and 52,408.56 is: 72,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,700.39 : 127,918.67 = 52,408.56 : x
  2. Step 2: Convert to fraction form
    92,700.39/127,918.67 = 52,408.56/x
  3. Step 3: Cross multiply
    92,700.39x = 127,918.67 × 52,408.56
  4. Step 4: Simplify right side
    92,700.39x = 6,704,033,029.77
  5. Step 5: Solve for x
    x = 6,704,033,029.77/92,700.39
  6. Step 6: Final answer
    x = 72,319.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.