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Finding the Fourth Proportional to 104,082.60, 156,123.90 and 102,527.40

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Solution

The fourth proportional to 104,082.60, 156,123.90 and 102,527.40 is: 153,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,082.60 : 156,123.90 = 102,527.40 : x
  2. Step 2: Convert to fraction form
    104,082.60/156,123.90 = 102,527.40/x
  3. Step 3: Cross multiply
    104,082.60x = 156,123.90 × 102,527.40
  4. Step 4: Simplify right side
    104,082.60x = 16,006,977,544.86
  5. Step 5: Solve for x
    x = 16,006,977,544.86/104,082.60
  6. Step 6: Final answer
    x = 153,791.10

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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.