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Finding the Fourth Proportional to 98,047.52, 135,227.04 and 64,053.44

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Solution

The fourth proportional to 98,047.52, 135,227.04 and 64,053.44 is: 88,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,047.52 : 135,227.04 = 64,053.44 : x
  2. Step 2: Convert to fraction form
    98,047.52/135,227.04 = 64,053.44/x
  3. Step 3: Cross multiply
    98,047.52x = 135,227.04 × 64,053.44
  4. Step 4: Simplify right side
    98,047.52x = 8,661,757,093.02
  5. Step 5: Solve for x
    x = 8,661,757,093.02/98,047.52
  6. Step 6: Final answer
    x = 88,342.44

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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.