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Finding the Fourth Proportional to 92,403.99, 127,517.27 and 49,962.51

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Solution

The fourth proportional to 92,403.99, 127,517.27 and 49,962.51 is: 68,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,403.99 : 127,517.27 = 49,962.51 : x
  2. Step 2: Convert to fraction form
    92,403.99/127,517.27 = 49,962.51/x
  3. Step 3: Cross multiply
    92,403.99x = 127,517.27 × 49,962.51
  4. Step 4: Simplify right side
    92,403.99x = 6,371,082,627.74
  5. Step 5: Solve for x
    x = 6,371,082,627.74/92,403.99
  6. Step 6: Final answer
    x = 68,948.13

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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.