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Finding the Fourth Proportional to 360,765.99, 541,143.32 and 124,110.72

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Solution

The fourth proportional to 360,765.99, 541,143.32 and 124,110.72 is: 186,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,765.99 : 541,143.32 = 124,110.72 : x
  2. Step 2: Convert to fraction form
    360,765.99/541,143.32 = 124,110.72/x
  3. Step 3: Cross multiply
    360,765.99x = 541,143.32 × 124,110.72
  4. Step 4: Simplify right side
    360,765.99x = 67,161,686,447.84
  5. Step 5: Solve for x
    x = 67,161,686,447.84/360,765.99
  6. Step 6: Final answer
    x = 186,164.13

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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.