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Finding the Fourth Proportional to 92,678.99, 127,895.66 and 52,391.41

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Solution

The fourth proportional to 92,678.99, 127,895.66 and 52,391.41 is: 72,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,678.99 : 127,895.66 = 52,391.41 : x
  2. Step 2: Convert to fraction form
    92,678.99/127,895.66 = 52,391.41/x
  3. Step 3: Cross multiply
    92,678.99x = 127,895.66 × 52,391.41
  4. Step 4: Simplify right side
    92,678.99x = 6,700,633,575.05
  5. Step 5: Solve for x
    x = 6,700,633,575.05/92,678.99
  6. Step 6: Final answer
    x = 72,299.38

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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.