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Finding the Fourth Proportional to 98,550.52, 135,999.67 and 53,228.49

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Solution

The fourth proportional to 98,550.52, 135,999.67 and 53,228.49 is: 73,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,550.52 : 135,999.67 = 53,228.49 : x
  2. Step 2: Convert to fraction form
    98,550.52/135,999.67 = 53,228.49/x
  3. Step 3: Cross multiply
    98,550.52x = 135,999.67 × 53,228.49
  4. Step 4: Simplify right side
    98,550.52x = 7,239,057,074.60
  5. Step 5: Solve for x
    x = 7,239,057,074.60/98,550.52
  6. Step 6: Final answer
    x = 73,455.29

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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.