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Finding the Fourth Proportional to 98,094.38, 135,360.88 and 55,064.02

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Solution

The fourth proportional to 98,094.38, 135,360.88 and 55,064.02 is: 75,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,094.38 : 135,360.88 = 55,064.02 : x
  2. Step 2: Convert to fraction form
    98,094.38/135,360.88 = 55,064.02/x
  3. Step 3: Cross multiply
    98,094.38x = 135,360.88 × 55,064.02
  4. Step 4: Simplify right side
    98,094.38x = 7,453,514,203.54
  5. Step 5: Solve for x
    x = 7,453,514,203.54/98,094.38
  6. Step 6: Final answer
    x = 75,983.09

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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.