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Finding the Fourth Proportional to 360,976.50, 541,041.93 and 124,109.82

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Solution

The fourth proportional to 360,976.50, 541,041.93 and 124,109.82 is: 186,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,976.50 : 541,041.93 = 124,109.82 : x
  2. Step 2: Convert to fraction form
    360,976.50/541,041.93 = 124,109.82/x
  3. Step 3: Cross multiply
    360,976.50x = 541,041.93 × 124,109.82
  4. Step 4: Simplify right side
    360,976.50x = 67,148,616,544.75
  5. Step 5: Solve for x
    x = 67,148,616,544.75/360,976.50
  6. Step 6: Final answer
    x = 186,019.36

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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.