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Finding the Fourth Proportional to 202,691.04, 279,741.44 and 116,648.28

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Solution

The fourth proportional to 202,691.04, 279,741.44 and 116,648.28 is: 160,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,691.04 : 279,741.44 = 116,648.28 : x
  2. Step 2: Convert to fraction form
    202,691.04/279,741.44 = 116,648.28/x
  3. Step 3: Cross multiply
    202,691.04x = 279,741.44 × 116,648.28
  4. Step 4: Simplify right side
    202,691.04x = 32,631,357,820.72
  5. Step 5: Solve for x
    x = 32,631,357,820.72/202,691.04
  6. Step 6: Final answer
    x = 160,990.63

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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.