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Finding the Fourth Proportional to 98,618.88, 136,093.70 and 53,296.88

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Solution

The fourth proportional to 98,618.88, 136,093.70 and 53,296.88 is: 73,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,618.88 : 136,093.70 = 53,296.88 : x
  2. Step 2: Convert to fraction form
    98,618.88/136,093.70 = 53,296.88/x
  3. Step 3: Cross multiply
    98,618.88x = 136,093.70 × 53,296.88
  4. Step 4: Simplify right side
    98,618.88x = 7,253,368,650.70
  5. Step 5: Solve for x
    x = 7,253,368,650.70/98,618.88
  6. Step 6: Final answer
    x = 73,549.49

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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.