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Finding the Fourth Proportional to 117,095.22, 161,591.42 and 63,380.68

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Solution

The fourth proportional to 117,095.22, 161,591.42 and 63,380.68 is: 87,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,095.22 : 161,591.42 = 63,380.68 : x
  2. Step 2: Convert to fraction form
    117,095.22/161,591.42 = 63,380.68/x
  3. Step 3: Cross multiply
    117,095.22x = 161,591.42 × 63,380.68
  4. Step 4: Simplify right side
    117,095.22x = 10,241,773,836.24
  5. Step 5: Solve for x
    x = 10,241,773,836.24/117,095.22
  6. Step 6: Final answer
    x = 87,465.35

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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.