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Finding the Fourth Proportional to 163,636.54, 225,841.44 and 136,736.44

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Solution

The fourth proportional to 163,636.54, 225,841.44 and 136,736.44 is: 188,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,636.54 : 225,841.44 = 136,736.44 : x
  2. Step 2: Convert to fraction form
    163,636.54/225,841.44 = 136,736.44/x
  3. Step 3: Cross multiply
    163,636.54x = 225,841.44 × 136,736.44
  4. Step 4: Simplify right side
    163,636.54x = 30,880,754,510.07
  5. Step 5: Solve for x
    x = 30,880,754,510.07/163,636.54
  6. Step 6: Final answer
    x = 188,715.52

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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.