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Finding the Fourth Proportional to 133,886.28, 184,761.48 and 73,457.44

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Solution

The fourth proportional to 133,886.28, 184,761.48 and 73,457.44 is: 101,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,886.28 : 184,761.48 = 73,457.44 : x
  2. Step 2: Convert to fraction form
    133,886.28/184,761.48 = 73,457.44/x
  3. Step 3: Cross multiply
    133,886.28x = 184,761.48 × 73,457.44
  4. Step 4: Simplify right side
    133,886.28x = 13,572,105,331.41
  5. Step 5: Solve for x
    x = 13,572,105,331.41/133,886.28
  6. Step 6: Final answer
    x = 101,370.40

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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.