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Finding the Fourth Proportional to 361,109.90, 541,333.10 and 124,396.32

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Solution

The fourth proportional to 361,109.90, 541,333.10 and 124,396.32 is: 186,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,109.90 : 541,333.10 = 124,396.32 : x
  2. Step 2: Convert to fraction form
    361,109.90/541,333.10 = 124,396.32/x
  3. Step 3: Cross multiply
    361,109.90x = 541,333.10 × 124,396.32
  4. Step 4: Simplify right side
    361,109.90x = 67,339,845,534.19
  5. Step 5: Solve for x
    x = 67,339,845,534.19/361,109.90
  6. Step 6: Final answer
    x = 186,480.20

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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.