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Finding the Fourth Proportional to 124,418.56, 186,589.56 and 35,648.28

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Solution

The fourth proportional to 124,418.56, 186,589.56 and 35,648.28 is: 53,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418.56 : 186,589.56 = 35,648.28 : x
  2. Step 2: Convert to fraction form
    124,418.56/186,589.56 = 35,648.28/x
  3. Step 3: Cross multiply
    124,418.56x = 186,589.56 × 35,648.28
  4. Step 4: Simplify right side
    124,418.56x = 6,651,596,879.96
  5. Step 5: Solve for x
    x = 6,651,596,879.96/124,418.56
  6. Step 6: Final answer
    x = 53,461.45

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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.