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Finding the Fourth Proportional to 349,556.80, 524,232.80 and 124,891.20

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Solution

The fourth proportional to 349,556.80, 524,232.80 and 124,891.20 is: 187,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,556.80 : 524,232.80 = 124,891.20 : x
  2. Step 2: Convert to fraction form
    349,556.80/524,232.80 = 124,891.20/x
  3. Step 3: Cross multiply
    349,556.80x = 524,232.80 × 124,891.20
  4. Step 4: Simplify right side
    349,556.80x = 65,472,063,471.36
  5. Step 5: Solve for x
    x = 65,472,063,471.36/349,556.80
  6. Step 6: Final answer
    x = 187,300.21

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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.