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Finding the Fourth Proportional to 163,636.63, 225,817.13 and 92,015.12

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Solution

The fourth proportional to 163,636.63, 225,817.13 and 92,015.12 is: 126,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,636.63 : 225,817.13 = 92,015.12 : x
  2. Step 2: Convert to fraction form
    163,636.63/225,817.13 = 92,015.12/x
  3. Step 3: Cross multiply
    163,636.63x = 225,817.13 × 92,015.12
  4. Step 4: Simplify right side
    163,636.63x = 20,778,591,109.59
  5. Step 5: Solve for x
    x = 20,778,591,109.59/163,636.63
  6. Step 6: Final answer
    x = 126,980.07

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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.