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Finding the Fourth Proportional to 104,397.17, 156,601.22 and 48,289.68

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Solution

The fourth proportional to 104,397.17, 156,601.22 and 48,289.68 is: 72,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,397.17 : 156,601.22 = 48,289.68 : x
  2. Step 2: Convert to fraction form
    104,397.17/156,601.22 = 48,289.68/x
  3. Step 3: Cross multiply
    104,397.17x = 156,601.22 × 48,289.68
  4. Step 4: Simplify right side
    104,397.17x = 7,562,222,559.96
  5. Step 5: Solve for x
    x = 7,562,222,559.96/104,397.17
  6. Step 6: Final answer
    x = 72,437.05

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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.