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Finding the Fourth Proportional to 117,602.28, 176,425.29 and 38,719.62

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Solution

The fourth proportional to 117,602.28, 176,425.29 and 38,719.62 is: 58,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,602.28 : 176,425.29 = 38,719.62 : x
  2. Step 2: Convert to fraction form
    117,602.28/176,425.29 = 38,719.62/x
  3. Step 3: Cross multiply
    117,602.28x = 176,425.29 × 38,719.62
  4. Step 4: Simplify right side
    117,602.28x = 6,831,120,187.19
  5. Step 5: Solve for x
    x = 6,831,120,187.19/117,602.28
  6. Step 6: Final answer
    x = 58,086.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.