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Finding the Fourth Proportional to 162,445.80, 243,668.70 and 150,004.20

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Solution

The fourth proportional to 162,445.80, 243,668.70 and 150,004.20 is: 225,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,445.80 : 243,668.70 = 150,004.20 : x
  2. Step 2: Convert to fraction form
    162,445.80/243,668.70 = 150,004.20/x
  3. Step 3: Cross multiply
    162,445.80x = 243,668.70 × 150,004.20
  4. Step 4: Simplify right side
    162,445.80x = 36,551,328,408.54
  5. Step 5: Solve for x
    x = 36,551,328,408.54/162,445.80
  6. Step 6: Final answer
    x = 225,006.30

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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.