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Finding the Fourth Proportional to 163,640.00, 225,821.79 and 92,018.50

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Solution

The fourth proportional to 163,640.00, 225,821.79 and 92,018.50 is: 126,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,640.00 : 225,821.79 = 92,018.50 : x
  2. Step 2: Convert to fraction form
    163,640.00/225,821.79 = 92,018.50/x
  3. Step 3: Cross multiply
    163,640.00x = 225,821.79 × 92,018.50
  4. Step 4: Simplify right side
    163,640.00x = 20,779,781,818.56
  5. Step 5: Solve for x
    x = 20,779,781,818.56/163,640.00
  6. Step 6: Final answer
    x = 126,984.73

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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.