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Finding the Fourth Proportional to 361,196.56, 541,830.48 and 124,508.08

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Solution

The fourth proportional to 361,196.56, 541,830.48 and 124,508.08 is: 186,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,196.56 : 541,830.48 = 124,508.08 : x
  2. Step 2: Convert to fraction form
    361,196.56/541,830.48 = 124,508.08/x
  3. Step 3: Cross multiply
    361,196.56x = 541,830.48 × 124,508.08
  4. Step 4: Simplify right side
    361,196.56x = 67,462,272,750.28
  5. Step 5: Solve for x
    x = 67,462,272,750.28/361,196.56
  6. Step 6: Final answer
    x = 186,774.41

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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.