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Finding the Fourth Proportional to 92,559.04, 127,745.11 and 54,339.67

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Solution

The fourth proportional to 92,559.04, 127,745.11 and 54,339.67 is: 74,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,559.04 : 127,745.11 = 54,339.67 : x
  2. Step 2: Convert to fraction form
    92,559.04/127,745.11 = 54,339.67/x
  3. Step 3: Cross multiply
    92,559.04x = 127,745.11 × 54,339.67
  4. Step 4: Simplify right side
    92,559.04x = 6,941,626,211.09
  5. Step 5: Solve for x
    x = 6,941,626,211.09/92,559.04
  6. Step 6: Final answer
    x = 74,996.74

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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.