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Finding the Fourth Proportional to 366,543.60, 549,912.60 and 129,861.60

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Solution

The fourth proportional to 366,543.60, 549,912.60 and 129,861.60 is: 194,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,543.60 : 549,912.60 = 129,861.60 : x
  2. Step 2: Convert to fraction form
    366,543.60/549,912.60 = 129,861.60/x
  3. Step 3: Cross multiply
    366,543.60x = 549,912.60 × 129,861.60
  4. Step 4: Simplify right side
    366,543.60x = 71,412,530,096.16
  5. Step 5: Solve for x
    x = 71,412,530,096.16/366,543.60
  6. Step 6: Final answer
    x = 194,826.84

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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.