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Finding the Fourth Proportional to 98,101.36, 135,375.79 and 55,662.22

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Solution

The fourth proportional to 98,101.36, 135,375.79 and 55,662.22 is: 76,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,101.36 : 135,375.79 = 55,662.22 : x
  2. Step 2: Convert to fraction form
    98,101.36/135,375.79 = 55,662.22/x
  3. Step 3: Cross multiply
    98,101.36x = 135,375.79 × 55,662.22
  4. Step 4: Simplify right side
    98,101.36x = 7,535,316,050.46
  5. Step 5: Solve for x
    x = 7,535,316,050.46/98,101.36
  6. Step 6: Final answer
    x = 76,811.54

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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.