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Finding the Fourth Proportional to 202,049.60, 279,073.44 and 148,256.96

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Solution

The fourth proportional to 202,049.60, 279,073.44 and 148,256.96 is: 204,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,049.60 : 279,073.44 = 148,256.96 : x
  2. Step 2: Convert to fraction form
    202,049.60/279,073.44 = 148,256.96/x
  3. Step 3: Cross multiply
    202,049.60x = 279,073.44 × 148,256.96
  4. Step 4: Simplify right side
    202,049.60x = 41,374,579,831.14
  5. Step 5: Solve for x
    x = 41,374,579,831.14/202,049.60
  6. Step 6: Final answer
    x = 204,774.37

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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.