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Finding the Fourth Proportional to 186,003.88, 256,688.28 and 101,121.28

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Solution

The fourth proportional to 186,003.88, 256,688.28 and 101,121.28 is: 139,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,003.88 : 256,688.28 = 101,121.28 : x
  2. Step 2: Convert to fraction form
    186,003.88/256,688.28 = 101,121.28/x
  3. Step 3: Cross multiply
    186,003.88x = 256,688.28 × 101,121.28
  4. Step 4: Simplify right side
    186,003.88x = 25,956,647,434.60
  5. Step 5: Solve for x
    x = 25,956,647,434.60/186,003.88
  6. Step 6: Final answer
    x = 139,548.96

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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.