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Finding the Fourth Proportional to 163,697.15, 225,899.72 and 92,077.16

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Solution

The fourth proportional to 163,697.15, 225,899.72 and 92,077.16 is: 127,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,697.15 : 225,899.72 = 92,077.16 : x
  2. Step 2: Convert to fraction form
    163,697.15/225,899.72 = 92,077.16/x
  3. Step 3: Cross multiply
    163,697.15x = 225,899.72 × 92,077.16
  4. Step 4: Simplify right side
    163,697.15x = 20,800,203,417.80
  5. Step 5: Solve for x
    x = 20,800,203,417.80/163,697.15
  6. Step 6: Final answer
    x = 127,065.15

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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.