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Finding the Fourth Proportional to 82,758.49, 124,040.49 and 38,291.32

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Solution

The fourth proportional to 82,758.49, 124,040.49 and 38,291.32 is: 57,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758.49 : 124,040.49 = 38,291.32 : x
  2. Step 2: Convert to fraction form
    82,758.49/124,040.49 = 38,291.32/x
  3. Step 3: Cross multiply
    82,758.49x = 124,040.49 × 38,291.32
  4. Step 4: Simplify right side
    82,758.49x = 4,749,674,095.55
  5. Step 5: Solve for x
    x = 4,749,674,095.55/82,758.49
  6. Step 6: Final answer
    x = 57,391.99

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