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Finding the Fourth Proportional to 84,893.54, 117,153.78 and 53,080.88

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Solution

The fourth proportional to 84,893.54, 117,153.78 and 53,080.88 is: 73,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,893.54 : 117,153.78 = 53,080.88 : x
  2. Step 2: Convert to fraction form
    84,893.54/117,153.78 = 53,080.88/x
  3. Step 3: Cross multiply
    84,893.54x = 117,153.78 × 53,080.88
  4. Step 4: Simplify right side
    84,893.54x = 6,218,625,737.73
  5. Step 5: Solve for x
    x = 6,218,625,737.73/84,893.54
  6. Step 6: Final answer
    x = 73,252.05

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1.5x scale

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.