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Finding the Fourth Proportional to 84,898.41, 127,340.28 and 28,737.32

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Solution

The fourth proportional to 84,898.41, 127,340.28 and 28,737.32 is: 43,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,898.41 : 127,340.28 = 28,737.32 : x
  2. Step 2: Convert to fraction form
    84,898.41/127,340.28 = 28,737.32/x
  3. Step 3: Cross multiply
    84,898.41x = 127,340.28 × 28,737.32
  4. Step 4: Simplify right side
    84,898.41x = 3,659,417,738.55
  5. Step 5: Solve for x
    x = 3,659,417,738.55/84,898.41
  6. Step 6: Final answer
    x = 43,103.49

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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.