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Finding the Fourth Proportional to 104,578, 156,797.65 and 38,010.22

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Solution

The fourth proportional to 104,578, 156,797.65 and 38,010.22 is: 56,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578 : 156,797.65 = 38,010.22 : x
  2. Step 2: Convert to fraction form
    104,578/156,797.65 = 38,010.22/x
  3. Step 3: Cross multiply
    104,578x = 156,797.65 × 38,010.22
  4. Step 4: Simplify right side
    104,578x = 5,959,913,171.98
  5. Step 5: Solve for x
    x = 5,959,913,171.98/104,578
  6. Step 6: Final answer
    x = 56,990.12

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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.