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Finding the Fourth Proportional to 183,462.40, 274,974.90 and 76,846.15

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Solution

The fourth proportional to 183,462.40, 274,974.90 and 76,846.15 is: 115,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,462.40 : 274,974.90 = 76,846.15 : x
  2. Step 2: Convert to fraction form
    183,462.40/274,974.90 = 76,846.15/x
  3. Step 3: Cross multiply
    183,462.40x = 274,974.90 × 76,846.15
  4. Step 4: Simplify right side
    183,462.40x = 21,130,762,411.64
  5. Step 5: Solve for x
    x = 21,130,762,411.64/183,462.40
  6. Step 6: Final answer
    x = 115,177.62

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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.