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Finding the Fourth Proportional to 364,103.40, 546,171.30 and 124,213.80

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Solution

The fourth proportional to 364,103.40, 546,171.30 and 124,213.80 is: 186,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,103.40 : 546,171.30 = 124,213.80 : x
  2. Step 2: Convert to fraction form
    364,103.40/546,171.30 = 124,213.80/x
  3. Step 3: Cross multiply
    364,103.40x = 546,171.30 × 124,213.80
  4. Step 4: Simplify right side
    364,103.40x = 67,842,012,623.94
  5. Step 5: Solve for x
    x = 67,842,012,623.94/364,103.40
  6. Step 6: Final answer
    x = 186,326.23

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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.