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Finding the Fourth Proportional to 104,305.08, 156,457.86 and 73,278.84

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Solution

The fourth proportional to 104,305.08, 156,457.86 and 73,278.84 is: 109,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,305.08 : 156,457.86 = 73,278.84 : x
  2. Step 2: Convert to fraction form
    104,305.08/156,457.86 = 73,278.84/x
  3. Step 3: Cross multiply
    104,305.08x = 156,457.86 × 73,278.84
  4. Step 4: Simplify right side
    104,305.08x = 11,465,050,489.68
  5. Step 5: Solve for x
    x = 11,465,050,489.68/104,305.08
  6. Step 6: Final answer
    x = 109,918.43

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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.