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Finding the Fourth Proportional to 104,543.81, 144,271.14 and 56,797.14

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Solution

The fourth proportional to 104,543.81, 144,271.14 and 56,797.14 is: 78,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.81 : 144,271.14 = 56,797.14 : x
  2. Step 2: Convert to fraction form
    104,543.81/144,271.14 = 56,797.14/x
  3. Step 3: Cross multiply
    104,543.81x = 144,271.14 × 56,797.14
  4. Step 4: Simplify right side
    104,543.81x = 8,194,188,136.54
  5. Step 5: Solve for x
    x = 8,194,188,136.54/104,543.81
  6. Step 6: Final answer
    x = 78,380.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.