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Finding the Fourth Proportional to 163,697.49, 225,900.29 and 92,077.43

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Solution

The fourth proportional to 163,697.49, 225,900.29 and 92,077.43 is: 127,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,697.49 : 225,900.29 = 92,077.43 : x
  2. Step 2: Convert to fraction form
    163,697.49/225,900.29 = 92,077.43/x
  3. Step 3: Cross multiply
    163,697.49x = 225,900.29 × 92,077.43
  4. Step 4: Simplify right side
    163,697.49x = 20,800,317,240.15
  5. Step 5: Solve for x
    x = 20,800,317,240.15/163,697.49
  6. Step 6: Final answer
    x = 127,065.58

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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.