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Finding the Fourth Proportional to 73,811.25, 101,858.97 and 41,980.11

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Solution

The fourth proportional to 73,811.25, 101,858.97 and 41,980.11 is: 57,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811.25 : 101,858.97 = 41,980.11 : x
  2. Step 2: Convert to fraction form
    73,811.25/101,858.97 = 41,980.11/x
  3. Step 3: Cross multiply
    73,811.25x = 101,858.97 × 41,980.11
  4. Step 4: Simplify right side
    73,811.25x = 4,276,050,765.09
  5. Step 5: Solve for x
    x = 4,276,050,765.09/73,811.25
  6. Step 6: Final answer
    x = 57,932.24

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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.