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Finding the Fourth Proportional to 207,593.04, 286,419.12 and 116,917.29

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Solution

The fourth proportional to 207,593.04, 286,419.12 and 116,917.29 is: 161,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,593.04 : 286,419.12 = 116,917.29 : x
  2. Step 2: Convert to fraction form
    207,593.04/286,419.12 = 116,917.29/x
  3. Step 3: Cross multiply
    207,593.04x = 286,419.12 × 116,917.29
  4. Step 4: Simplify right side
    207,593.04x = 33,487,347,314.58
  5. Step 5: Solve for x
    x = 33,487,347,314.58/207,593.04
  6. Step 6: Final answer
    x = 161,312.48

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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.