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Finding the Fourth Proportional to 202,540.66, 279,497.55 and 116,493.13

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Solution

The fourth proportional to 202,540.66, 279,497.55 and 116,493.13 is: 160,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,540.66 : 279,497.55 = 116,493.13 : x
  2. Step 2: Convert to fraction form
    202,540.66/279,497.55 = 116,493.13/x
  3. Step 3: Cross multiply
    202,540.66x = 279,497.55 × 116,493.13
  4. Step 4: Simplify right side
    202,540.66x = 32,559,544,426.83
  5. Step 5: Solve for x
    x = 32,559,544,426.83/202,540.66
  6. Step 6: Final answer
    x = 160,755.60

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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.