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Finding the Fourth Proportional to 104,318.31, 156,519.99 and 37,765.47

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Solution

The fourth proportional to 104,318.31, 156,519.99 and 37,765.47 is: 56,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,318.31 : 156,519.99 = 37,765.47 : x
  2. Step 2: Convert to fraction form
    104,318.31/156,519.99 = 37,765.47/x
  3. Step 3: Cross multiply
    104,318.31x = 156,519.99 × 37,765.47
  4. Step 4: Simplify right side
    104,318.31x = 5,911,050,986.75
  5. Step 5: Solve for x
    x = 5,911,050,986.75/104,318.31
  6. Step 6: Final answer
    x = 56,663.60

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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.