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Finding the Fourth Proportional to 82,804.35, 124,243.43 and 30,201.53

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Solution

The fourth proportional to 82,804.35, 124,243.43 and 30,201.53 is: 45,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,804.35 : 124,243.43 = 30,201.53 : x
  2. Step 2: Convert to fraction form
    82,804.35/124,243.43 = 30,201.53/x
  3. Step 3: Cross multiply
    82,804.35x = 124,243.43 × 30,201.53
  4. Step 4: Simplify right side
    82,804.35x = 3,752,341,773.77
  5. Step 5: Solve for x
    x = 3,752,341,773.77/82,804.35
  6. Step 6: Final answer
    x = 45,315.76

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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.