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Finding the Fourth Proportional to 163,700.16, 225,903.86 and 92,080.16

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Solution

The fourth proportional to 163,700.16, 225,903.86 and 92,080.16 is: 127,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,700.16 : 225,903.86 = 92,080.16 : x
  2. Step 2: Convert to fraction form
    163,700.16/225,903.86 = 92,080.16/x
  3. Step 3: Cross multiply
    163,700.16x = 225,903.86 × 92,080.16
  4. Step 4: Simplify right side
    163,700.16x = 20,801,261,983.50
  5. Step 5: Solve for x
    x = 20,801,261,983.50/163,700.16
  6. Step 6: Final answer
    x = 127,069.28

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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.