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Finding the Fourth Proportional to 104,380.41, 144,043.67 and 56,633.41

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Solution

The fourth proportional to 104,380.41, 144,043.67 and 56,633.41 is: 78,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,380.41 : 144,043.67 = 56,633.41 : x
  2. Step 2: Convert to fraction form
    104,380.41/144,043.67 = 56,633.41/x
  3. Step 3: Cross multiply
    104,380.41x = 144,043.67 × 56,633.41
  4. Step 4: Simplify right side
    104,380.41x = 8,157,684,221.01
  5. Step 5: Solve for x
    x = 8,157,684,221.01/104,380.41
  6. Step 6: Final answer
    x = 78,153.40

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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.