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Finding the Fourth Proportional to 118,059.93, 162,917.93 and 64,343.79

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Solution

The fourth proportional to 118,059.93, 162,917.93 and 64,343.79 is: 88,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,059.93 : 162,917.93 = 64,343.79 : x
  2. Step 2: Convert to fraction form
    118,059.93/162,917.93 = 64,343.79/x
  3. Step 3: Cross multiply
    118,059.93x = 162,917.93 × 64,343.79
  4. Step 4: Simplify right side
    118,059.93x = 10,482,757,236.01
  5. Step 5: Solve for x
    x = 10,482,757,236.01/118,059.93
  6. Step 6: Final answer
    x = 88,791.83

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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.