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Finding the Fourth Proportional to 241,157.31, 361,521.91 and 91,293.13

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Solution

The fourth proportional to 241,157.31, 361,521.91 and 91,293.13 is: 136,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,157.31 : 361,521.91 = 91,293.13 : x
  2. Step 2: Convert to fraction form
    241,157.31/361,521.91 = 91,293.13/x
  3. Step 3: Cross multiply
    241,157.31x = 361,521.91 × 91,293.13
  4. Step 4: Simplify right side
    241,157.31x = 33,004,466,727.48
  5. Step 5: Solve for x
    x = 33,004,466,727.48/241,157.31
  6. Step 6: Final answer
    x = 136,858.66

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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.