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Finding the Fourth Proportional to 108,838, 150,252.76 and 84,584.76

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Solution

The fourth proportional to 108,838, 150,252.76 and 84,584.76 is: 116,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,838 : 150,252.76 = 84,584.76 : x
  2. Step 2: Convert to fraction form
    108,838/150,252.76 = 84,584.76/x
  3. Step 3: Cross multiply
    108,838x = 150,252.76 × 84,584.76
  4. Step 4: Simplify right side
    108,838x = 12,709,093,643.94
  5. Step 5: Solve for x
    x = 12,709,093,643.94/108,838
  6. Step 6: Final answer
    x = 116,770.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.