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Finding the Fourth Proportional to 62,121.79, 92,977.75 and 44,075.53

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Solution

The fourth proportional to 62,121.79, 92,977.75 and 44,075.53 is: 65,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121.79 : 92,977.75 = 44,075.53 : x
  2. Step 2: Convert to fraction form
    62,121.79/92,977.75 = 44,075.53/x
  3. Step 3: Cross multiply
    62,121.79x = 92,977.75 × 44,075.53
  4. Step 4: Simplify right side
    62,121.79x = 4,098,043,609.46
  5. Step 5: Solve for x
    x = 4,098,043,609.46/62,121.79
  6. Step 6: Final answer
    x = 65,967.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.