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Finding the Fourth Proportional to 117,719.67, 162,452.32 and 64,004.70

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Solution

The fourth proportional to 117,719.67, 162,452.32 and 64,004.70 is: 88,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719.67 : 162,452.32 = 64,004.70 : x
  2. Step 2: Convert to fraction form
    117,719.67/162,452.32 = 64,004.70/x
  3. Step 3: Cross multiply
    117,719.67x = 162,452.32 × 64,004.70
  4. Step 4: Simplify right side
    117,719.67x = 10,397,711,236.70
  5. Step 5: Solve for x
    x = 10,397,711,236.70/117,719.67
  6. Step 6: Final answer
    x = 88,326.03

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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.