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Finding the Fourth Proportional to 92,395.98, 127,506.42 and 49,954.50

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Solution

The fourth proportional to 92,395.98, 127,506.42 and 49,954.50 is: 68,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,395.98 : 127,506.42 = 49,954.50 : x
  2. Step 2: Convert to fraction form
    92,395.98/127,506.42 = 49,954.50/x
  3. Step 3: Cross multiply
    92,395.98x = 127,506.42 × 49,954.50
  4. Step 4: Simplify right side
    92,395.98x = 6,369,519,457.89
  5. Step 5: Solve for x
    x = 6,369,519,457.89/92,395.98
  6. Step 6: Final answer
    x = 68,937.19

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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.