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Finding the Fourth Proportional to 104,337.69, 156,488.34 and 48,172.98

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Solution

The fourth proportional to 104,337.69, 156,488.34 and 48,172.98 is: 72,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,337.69 : 156,488.34 = 48,172.98 : x
  2. Step 2: Convert to fraction form
    104,337.69/156,488.34 = 48,172.98/x
  3. Step 3: Cross multiply
    104,337.69x = 156,488.34 × 48,172.98
  4. Step 4: Simplify right side
    104,337.69x = 7,538,509,673.05
  5. Step 5: Solve for x
    x = 7,538,509,673.05/104,337.69
  6. Step 6: Final answer
    x = 72,251.07

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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.