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Finding the Fourth Proportional to 92,176.53, 127,198.77 and 51,888.95

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Solution

The fourth proportional to 92,176.53, 127,198.77 and 51,888.95 is: 71,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,176.53 : 127,198.77 = 51,888.95 : x
  2. Step 2: Convert to fraction form
    92,176.53/127,198.77 = 51,888.95/x
  3. Step 3: Cross multiply
    92,176.53x = 127,198.77 × 51,888.95
  4. Step 4: Simplify right side
    92,176.53x = 6,600,210,616.59
  5. Step 5: Solve for x
    x = 6,600,210,616.59/92,176.53
  6. Step 6: Final answer
    x = 71,604.03

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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.