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Finding the Fourth Proportional to 162,820.40, 244,230.60 and 133,271.60

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Solution

The fourth proportional to 162,820.40, 244,230.60 and 133,271.60 is: 199,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,820.40 : 244,230.60 = 133,271.60 : x
  2. Step 2: Convert to fraction form
    162,820.40/244,230.60 = 133,271.60/x
  3. Step 3: Cross multiply
    162,820.40x = 244,230.60 × 133,271.60
  4. Step 4: Simplify right side
    162,820.40x = 32,549,002,830.96
  5. Step 5: Solve for x
    x = 32,549,002,830.96/162,820.40
  6. Step 6: Final answer
    x = 199,907.40

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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.