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Finding the Fourth Proportional to 104,009.40, 156,014.10 and 33,895.80

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Solution

The fourth proportional to 104,009.40, 156,014.10 and 33,895.80 is: 50,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,009.40 : 156,014.10 = 33,895.80 : x
  2. Step 2: Convert to fraction form
    104,009.40/156,014.10 = 33,895.80/x
  3. Step 3: Cross multiply
    104,009.40x = 156,014.10 × 33,895.80
  4. Step 4: Simplify right side
    104,009.40x = 5,288,222,730.78
  5. Step 5: Solve for x
    x = 5,288,222,730.78/104,009.40
  6. Step 6: Final answer
    x = 50,843.70

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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.