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Finding the Fourth Proportional to 350,062.16, 525,067.80 and 136,790.12

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Solution

The fourth proportional to 350,062.16, 525,067.80 and 136,790.12 is: 205,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,062.16 : 525,067.80 = 136,790.12 : x
  2. Step 2: Convert to fraction form
    350,062.16/525,067.80 = 136,790.12/x
  3. Step 3: Cross multiply
    350,062.16x = 525,067.80 × 136,790.12
  4. Step 4: Simplify right side
    350,062.16x = 71,824,087,370.14
  5. Step 5: Solve for x
    x = 71,824,087,370.14/350,062.16
  6. Step 6: Final answer
    x = 205,175.24

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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.