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Finding the Fourth Proportional to 117,700.34, 162,274.01 and 76,233.56

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Solution

The fourth proportional to 117,700.34, 162,274.01 and 76,233.56 is: 105,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.34 : 162,274.01 = 76,233.56 : x
  2. Step 2: Convert to fraction form
    117,700.34/162,274.01 = 76,233.56/x
  3. Step 3: Cross multiply
    117,700.34x = 162,274.01 × 76,233.56
  4. Step 4: Simplify right side
    117,700.34x = 12,370,724,285.24
  5. Step 5: Solve for x
    x = 12,370,724,285.24/117,700.34
  6. Step 6: Final answer
    x = 105,103.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.