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Finding the Fourth Proportional to 98,618.37, 136,093 and 53,296.37

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Solution

The fourth proportional to 98,618.37, 136,093 and 53,296.37 is: 73,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,618.37 : 136,093 = 53,296.37 : x
  2. Step 2: Convert to fraction form
    98,618.37/136,093 = 53,296.37/x
  3. Step 3: Cross multiply
    98,618.37x = 136,093 × 53,296.37
  4. Step 4: Simplify right side
    98,618.37x = 7,253,262,882.41
  5. Step 5: Solve for x
    x = 7,253,262,882.41/98,618.37
  6. Step 6: Final answer
    x = 73,548.80

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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.