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Finding the Fourth Proportional to 92,508, 127,661.04 and 52,764

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Solution

The fourth proportional to 92,508, 127,661.04 and 52,764 is: 72,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,508 : 127,661.04 = 52,764 : x
  2. Step 2: Convert to fraction form
    92,508/127,661.04 = 52,764/x
  3. Step 3: Cross multiply
    92,508x = 127,661.04 × 52,764
  4. Step 4: Simplify right side
    92,508x = 6,735,907,114.56
  5. Step 5: Solve for x
    x = 6,735,907,114.56/92,508
  6. Step 6: Final answer
    x = 72,814.32

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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.