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Finding the Fourth Proportional to 162,542.79, 224,189.24 and 117,369.90

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Solution

The fourth proportional to 162,542.79, 224,189.24 and 117,369.90 is: 161,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,542.79 : 224,189.24 = 117,369.90 : x
  2. Step 2: Convert to fraction form
    162,542.79/224,189.24 = 117,369.90/x
  3. Step 3: Cross multiply
    162,542.79x = 224,189.24 × 117,369.90
  4. Step 4: Simplify right side
    162,542.79x = 26,313,068,093.03
  5. Step 5: Solve for x
    x = 26,313,068,093.03/162,542.79
  6. Step 6: Final answer
    x = 161,883.95

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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.