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Finding the Fourth Proportional to 162,184.92, 223,920.50 and 145,159.64

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Solution

The fourth proportional to 162,184.92, 223,920.50 and 145,159.64 is: 200,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,184.92 : 223,920.50 = 145,159.64 : x
  2. Step 2: Convert to fraction form
    162,184.92/223,920.50 = 145,159.64/x
  3. Step 3: Cross multiply
    162,184.92x = 223,920.50 × 145,159.64
  4. Step 4: Simplify right side
    162,184.92x = 32,504,219,168.62
  5. Step 5: Solve for x
    x = 32,504,219,168.62/162,184.92
  6. Step 6: Final answer
    x = 200,414.56

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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.