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Finding the Fourth Proportional to 104,147.49, 156,188.88 and 37,578.93

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Solution

The fourth proportional to 104,147.49, 156,188.88 and 37,578.93 is: 56,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,147.49 : 156,188.88 = 37,578.93 : x
  2. Step 2: Convert to fraction form
    104,147.49/156,188.88 = 37,578.93/x
  3. Step 3: Cross multiply
    104,147.49x = 156,188.88 × 37,578.93
  4. Step 4: Simplify right side
    104,147.49x = 5,869,410,988.30
  5. Step 5: Solve for x
    x = 5,869,410,988.30/104,147.49
  6. Step 6: Final answer
    x = 56,356.72

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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.