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Finding the Fourth Proportional to 186,047.88, 256,749.30 and 101,165.46

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Solution

The fourth proportional to 186,047.88, 256,749.30 and 101,165.46 is: 139,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,047.88 : 256,749.30 = 101,165.46 : x
  2. Step 2: Convert to fraction form
    186,047.88/256,749.30 = 101,165.46/x
  3. Step 3: Cross multiply
    186,047.88x = 256,749.30 × 101,165.46
  4. Step 4: Simplify right side
    186,047.88x = 25,974,161,039.18
  5. Step 5: Solve for x
    x = 25,974,161,039.18/186,047.88
  6. Step 6: Final answer
    x = 139,610.09

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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.