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Finding the Fourth Proportional to 186,163.44, 256,902.72 and 101,278.56

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Solution

The fourth proportional to 186,163.44, 256,902.72 and 101,278.56 is: 139,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,163.44 : 256,902.72 = 101,278.56 : x
  2. Step 2: Convert to fraction form
    186,163.44/256,902.72 = 101,278.56/x
  3. Step 3: Cross multiply
    186,163.44x = 256,902.72 × 101,278.56
  4. Step 4: Simplify right side
    186,163.44x = 26,018,737,541.68
  5. Step 5: Solve for x
    x = 26,018,737,541.68/186,163.44
  6. Step 6: Final answer
    x = 139,762.87

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1.5x scale

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.