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Finding the Fourth Proportional to 207,703.92, 286,648.26 and 117,066.03

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Solution

The fourth proportional to 207,703.92, 286,648.26 and 117,066.03 is: 161,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,703.92 : 286,648.26 = 117,066.03 : x
  2. Step 2: Convert to fraction form
    207,703.92/286,648.26 = 117,066.03/x
  3. Step 3: Cross multiply
    207,703.92x = 286,648.26 × 117,066.03
  4. Step 4: Simplify right side
    207,703.92x = 33,556,773,804.61
  5. Step 5: Solve for x
    x = 33,556,773,804.61/207,703.92
  6. Step 6: Final answer
    x = 161,560.62

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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.