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Finding the Fourth Proportional to 124,382.62, 186,573 and 35,636.20

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Solution

The fourth proportional to 124,382.62, 186,573 and 35,636.20 is: 53,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,382.62 : 186,573 = 35,636.20 : x
  2. Step 2: Convert to fraction form
    124,382.62/186,573 = 35,636.20/x
  3. Step 3: Cross multiply
    124,382.62x = 186,573 × 35,636.20
  4. Step 4: Simplify right side
    124,382.62x = 6,648,752,742.60
  5. Step 5: Solve for x
    x = 6,648,752,742.60/124,382.62
  6. Step 6: Final answer
    x = 53,454.03

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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.