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Finding the Fourth Proportional to 98,150.92, 135,452.34 and 55,713.40

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Solution

The fourth proportional to 98,150.92, 135,452.34 and 55,713.40 is: 76,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,150.92 : 135,452.34 = 55,713.40 : x
  2. Step 2: Convert to fraction form
    98,150.92/135,452.34 = 55,713.40/x
  3. Step 3: Cross multiply
    98,150.92x = 135,452.34 × 55,713.40
  4. Step 4: Simplify right side
    98,150.92x = 7,546,510,399.36
  5. Step 5: Solve for x
    x = 7,546,510,399.36/98,150.92
  6. Step 6: Final answer
    x = 76,886.80

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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.