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Finding the Fourth Proportional to 104,149.95, 156,131.37 and 37,574.43

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Solution

The fourth proportional to 104,149.95, 156,131.37 and 37,574.43 is: 56,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,149.95 : 156,131.37 = 37,574.43 : x
  2. Step 2: Convert to fraction form
    104,149.95/156,131.37 = 37,574.43/x
  3. Step 3: Cross multiply
    104,149.95x = 156,131.37 × 37,574.43
  4. Step 4: Simplify right side
    104,149.95x = 5,866,547,232.87
  5. Step 5: Solve for x
    x = 5,866,547,232.87/104,149.95
  6. Step 6: Final answer
    x = 56,327.89

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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.