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Finding the Fourth Proportional to 124,419.56, 186,591.06 and 35,649.28

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Solution

The fourth proportional to 124,419.56, 186,591.06 and 35,649.28 is: 53,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419.56 : 186,591.06 = 35,649.28 : x
  2. Step 2: Convert to fraction form
    124,419.56/186,591.06 = 35,649.28/x
  3. Step 3: Cross multiply
    124,419.56x = 186,591.06 × 35,649.28
  4. Step 4: Simplify right side
    124,419.56x = 6,651,836,943.44
  5. Step 5: Solve for x
    x = 6,651,836,943.44/124,419.56
  6. Step 6: Final answer
    x = 53,462.95

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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.