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Finding the Fourth Proportional to 84,900.54, 117,163.44 and 53,087.88

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Solution

The fourth proportional to 84,900.54, 117,163.44 and 53,087.88 is: 73,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,900.54 : 117,163.44 = 53,087.88 : x
  2. Step 2: Convert to fraction form
    84,900.54/117,163.44 = 53,087.88/x
  3. Step 3: Cross multiply
    84,900.54x = 117,163.44 × 53,087.88
  4. Step 4: Simplify right side
    84,900.54x = 6,219,958,643.11
  5. Step 5: Solve for x
    x = 6,219,958,643.11/84,900.54
  6. Step 6: Final answer
    x = 73,261.71

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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.