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Finding the Fourth Proportional to 202,750.96, 279,784.29 and 112,099.81

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Solution

The fourth proportional to 202,750.96, 279,784.29 and 112,099.81 is: 154,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,750.96 : 279,784.29 = 112,099.81 : x
  2. Step 2: Convert to fraction form
    202,750.96/279,784.29 = 112,099.81/x
  3. Step 3: Cross multiply
    202,750.96x = 279,784.29 × 112,099.81
  4. Step 4: Simplify right side
    202,750.96x = 31,363,765,749.98
  5. Step 5: Solve for x
    x = 31,363,765,749.98/202,750.96
  6. Step 6: Final answer
    x = 154,691.08

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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.