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Finding the Fourth Proportional to 163,677.65, 225,872.93 and 92,057.64

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Solution

The fourth proportional to 163,677.65, 225,872.93 and 92,057.64 is: 127,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,677.65 : 225,872.93 = 92,057.64 : x
  2. Step 2: Convert to fraction form
    163,677.65/225,872.93 = 92,057.64/x
  3. Step 3: Cross multiply
    163,677.65x = 225,872.93 × 92,057.64
  4. Step 4: Simplify right side
    163,677.65x = 20,793,328,415.40
  5. Step 5: Solve for x
    x = 20,793,328,415.40/163,677.65
  6. Step 6: Final answer
    x = 127,038.29

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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.