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Finding the Fourth Proportional to 202,360.80, 279,250.53 and 111,714.81

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Solution

The fourth proportional to 202,360.80, 279,250.53 and 111,714.81 is: 154,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,360.80 : 279,250.53 = 111,714.81 : x
  2. Step 2: Convert to fraction form
    202,360.80/279,250.53 = 111,714.81/x
  3. Step 3: Cross multiply
    202,360.80x = 279,250.53 × 111,714.81
  4. Step 4: Simplify right side
    202,360.80x = 31,196,419,901.35
  5. Step 5: Solve for x
    x = 31,196,419,901.35/202,360.80
  6. Step 6: Final answer
    x = 154,162.37

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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.