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Finding the Fourth Proportional to 218,826.23, 328,160.34 and 92,476.23

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Solution

The fourth proportional to 218,826.23, 328,160.34 and 92,476.23 is: 138,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,826.23 : 328,160.34 = 92,476.23 : x
  2. Step 2: Convert to fraction form
    218,826.23/328,160.34 = 92,476.23/x
  3. Step 3: Cross multiply
    218,826.23x = 328,160.34 × 92,476.23
  4. Step 4: Simplify right side
    218,826.23x = 30,347,031,433.93
  5. Step 5: Solve for x
    x = 30,347,031,433.93/218,826.23
  6. Step 6: Final answer
    x = 138,680.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.