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Finding the Fourth Proportional to 96,114.80, 132,628.59 and 55,837.08

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Solution

The fourth proportional to 96,114.80, 132,628.59 and 55,837.08 is: 77,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,114.80 : 132,628.59 = 55,837.08 : x
  2. Step 2: Convert to fraction form
    96,114.80/132,628.59 = 55,837.08/x
  3. Step 3: Cross multiply
    96,114.80x = 132,628.59 × 55,837.08
  4. Step 4: Simplify right side
    96,114.80x = 7,405,593,190.12
  5. Step 5: Solve for x
    x = 7,405,593,190.12/96,114.80
  6. Step 6: Final answer
    x = 77,049.46

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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.