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Finding the Fourth Proportional to 378,365.13, 567,531.29 and 94,049.66

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Solution

The fourth proportional to 378,365.13, 567,531.29 and 94,049.66 is: 141,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,365.13 : 567,531.29 = 94,049.66 : x
  2. Step 2: Convert to fraction form
    378,365.13/567,531.29 = 94,049.66/x
  3. Step 3: Cross multiply
    378,365.13x = 567,531.29 × 94,049.66
  4. Step 4: Simplify right side
    378,365.13x = 53,376,121,555.96
  5. Step 5: Solve for x
    x = 53,376,121,555.96/378,365.13
  6. Step 6: Final answer
    x = 141,070.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.