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Finding the Fourth Proportional to 163,672.84, 225,877.78 and 109,130.88

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Solution

The fourth proportional to 163,672.84, 225,877.78 and 109,130.88 is: 150,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,672.84 : 225,877.78 = 109,130.88 : x
  2. Step 2: Convert to fraction form
    163,672.84/225,877.78 = 109,130.88/x
  3. Step 3: Cross multiply
    163,672.84x = 225,877.78 × 109,130.88
  4. Step 4: Simplify right side
    163,672.84x = 24,650,240,903.85
  5. Step 5: Solve for x
    x = 24,650,240,903.85/163,672.84
  6. Step 6: Final answer
    x = 150,606.79

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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.