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Finding the Fourth Proportional to 124,431.52, 186,619.64 and 35,684.64

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Solution

The fourth proportional to 124,431.52, 186,619.64 and 35,684.64 is: 53,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,431.52 : 186,619.64 = 35,684.64 : x
  2. Step 2: Convert to fraction form
    124,431.52/186,619.64 = 35,684.64/x
  3. Step 3: Cross multiply
    124,431.52x = 186,619.64 × 35,684.64
  4. Step 4: Simplify right side
    124,431.52x = 6,659,454,670.33
  5. Step 5: Solve for x
    x = 6,659,454,670.33/124,431.52
  6. Step 6: Final answer
    x = 53,519.03

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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.