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Finding the Fourth Proportional to 98,601.26, 136,069.72 and 53,889.26

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Solution

The fourth proportional to 98,601.26, 136,069.72 and 53,889.26 is: 74,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,601.26 : 136,069.72 = 53,889.26 : x
  2. Step 2: Convert to fraction form
    98,601.26/136,069.72 = 53,889.26/x
  3. Step 3: Cross multiply
    98,601.26x = 136,069.72 × 53,889.26
  4. Step 4: Simplify right side
    98,601.26x = 7,332,696,519.21
  5. Step 5: Solve for x
    x = 7,332,696,519.21/98,601.26
  6. Step 6: Final answer
    x = 74,367.17

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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.