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Finding the Fourth Proportional to 134,068.84, 184,969.96 and 75,917.66

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Solution

The fourth proportional to 134,068.84, 184,969.96 and 75,917.66 is: 104,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,068.84 : 184,969.96 = 75,917.66 : x
  2. Step 2: Convert to fraction form
    134,068.84/184,969.96 = 75,917.66/x
  3. Step 3: Cross multiply
    134,068.84x = 184,969.96 × 75,917.66
  4. Step 4: Simplify right side
    134,068.84x = 14,042,486,533.49
  5. Step 5: Solve for x
    x = 14,042,486,533.49/134,068.84
  6. Step 6: Final answer
    x = 104,740.87

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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.