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Finding the Fourth Proportional to 182,657.81, 252,056.92 and 100,981.17

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Solution

The fourth proportional to 182,657.81, 252,056.92 and 100,981.17 is: 139,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,657.81 : 252,056.92 = 100,981.17 : x
  2. Step 2: Convert to fraction form
    182,657.81/252,056.92 = 100,981.17/x
  3. Step 3: Cross multiply
    182,657.81x = 252,056.92 × 100,981.17
  4. Step 4: Simplify right side
    182,657.81x = 25,453,002,435.74
  5. Step 5: Solve for x
    x = 25,453,002,435.74/182,657.81
  6. Step 6: Final answer
    x = 139,348.01

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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.