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Finding the Fourth Proportional to 156,014, 215,211.84 and 95,613.92

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Solution

The fourth proportional to 156,014, 215,211.84 and 95,613.92 is: 131,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,014 : 215,211.84 = 95,613.92 : x
  2. Step 2: Convert to fraction form
    156,014/215,211.84 = 95,613.92/x
  3. Step 3: Cross multiply
    156,014x = 215,211.84 × 95,613.92
  4. Step 4: Simplify right side
    156,014x = 20,577,247,652.81
  5. Step 5: Solve for x
    x = 20,577,247,652.81/156,014
  6. Step 6: Final answer
    x = 131,893.60

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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.