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Finding the Fourth Proportional to 77,489.40, 116,250.30 and 24,904.20

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Solution

The fourth proportional to 77,489.40, 116,250.30 and 24,904.20 is: 37,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,489.40 : 116,250.30 = 24,904.20 : x
  2. Step 2: Convert to fraction form
    77,489.40/116,250.30 = 24,904.20/x
  3. Step 3: Cross multiply
    77,489.40x = 116,250.30 × 24,904.20
  4. Step 4: Simplify right side
    77,489.40x = 2,895,120,721.26
  5. Step 5: Solve for x
    x = 2,895,120,721.26/77,489.40
  6. Step 6: Final answer
    x = 37,361.51

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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.