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Finding the Fourth Proportional to 98,696.25, 136,204.11 and 53,984.25

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Solution

The fourth proportional to 98,696.25, 136,204.11 and 53,984.25 is: 74,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,696.25 : 136,204.11 = 53,984.25 : x
  2. Step 2: Convert to fraction form
    98,696.25/136,204.11 = 53,984.25/x
  3. Step 3: Cross multiply
    98,696.25x = 136,204.11 × 53,984.25
  4. Step 4: Simplify right side
    98,696.25x = 7,352,876,725.27
  5. Step 5: Solve for x
    x = 7,352,876,725.27/98,696.25
  6. Step 6: Final answer
    x = 74,500.06

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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.