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Finding the Fourth Proportional to 81,248.88, 121,884.88 and 25,093.64

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Solution

The fourth proportional to 81,248.88, 121,884.88 and 25,093.64 is: 37,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,248.88 : 121,884.88 = 25,093.64 : x
  2. Step 2: Convert to fraction form
    81,248.88/121,884.88 = 25,093.64/x
  3. Step 3: Cross multiply
    81,248.88x = 121,884.88 × 25,093.64
  4. Step 4: Simplify right side
    81,248.88x = 3,058,535,300.16
  5. Step 5: Solve for x
    x = 3,058,535,300.16/81,248.88
  6. Step 6: Final answer
    x = 37,644.03

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1.5x scale

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.