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Finding the Fourth Proportional to 162,422.23, 224,143.43 and 90,800.72

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Solution

The fourth proportional to 162,422.23, 224,143.43 and 90,800.72 is: 125,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,422.23 : 224,143.43 = 90,800.72 : x
  2. Step 2: Convert to fraction form
    162,422.23/224,143.43 = 90,800.72/x
  3. Step 3: Cross multiply
    162,422.23x = 224,143.43 × 90,800.72
  4. Step 4: Simplify right side
    162,422.23x = 20,352,384,827.27
  5. Step 5: Solve for x
    x = 20,352,384,827.27/162,422.23
  6. Step 6: Final answer
    x = 125,305.41

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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.