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Finding the Fourth Proportional to 104,185.97, 156,276.80 and 25,300.61

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Solution

The fourth proportional to 104,185.97, 156,276.80 and 25,300.61 is: 37,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,185.97 : 156,276.80 = 25,300.61 : x
  2. Step 2: Convert to fraction form
    104,185.97/156,276.80 = 25,300.61/x
  3. Step 3: Cross multiply
    104,185.97x = 156,276.80 × 25,300.61
  4. Step 4: Simplify right side
    104,185.97x = 3,953,898,242.34
  5. Step 5: Solve for x
    x = 3,953,898,242.34/104,185.97
  6. Step 6: Final answer
    x = 37,950.39

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1.5x scale

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.