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Finding the Fourth Proportional to 162,454.60, 243,638.70 and 50,134.60

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Solution

The fourth proportional to 162,454.60, 243,638.70 and 50,134.60 is: 75,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,454.60 : 243,638.70 = 50,134.60 : x
  2. Step 2: Convert to fraction form
    162,454.60/243,638.70 = 50,134.60/x
  3. Step 3: Cross multiply
    162,454.60x = 243,638.70 × 50,134.60
  4. Step 4: Simplify right side
    162,454.60x = 12,214,728,769.02
  5. Step 5: Solve for x
    x = 12,214,728,769.02/162,454.60
  6. Step 6: Final answer
    x = 75,188.57

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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.