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Finding the Fourth Proportional to 84,854.76, 127,233.32 and 34,969.28

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Solution

The fourth proportional to 84,854.76, 127,233.32 and 34,969.28 is: 52,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,854.76 : 127,233.32 = 34,969.28 : x
  2. Step 2: Convert to fraction form
    84,854.76/127,233.32 = 34,969.28/x
  3. Step 3: Cross multiply
    84,854.76x = 127,233.32 × 34,969.28
  4. Step 4: Simplify right side
    84,854.76x = 4,449,257,592.41
  5. Step 5: Solve for x
    x = 4,449,257,592.41/84,854.76
  6. Step 6: Final answer
    x = 52,433.80

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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.