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Finding the Fourth Proportional to 55,344.60, 83,068.74 and 29,068.20

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Solution

The fourth proportional to 55,344.60, 83,068.74 and 29,068.20 is: 43,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344.60 : 83,068.74 = 29,068.20 : x
  2. Step 2: Convert to fraction form
    55,344.60/83,068.74 = 29,068.20/x
  3. Step 3: Cross multiply
    55,344.60x = 83,068.74 × 29,068.20
  4. Step 4: Simplify right side
    55,344.60x = 2,414,658,748.07
  5. Step 5: Solve for x
    x = 2,414,658,748.07/55,344.60
  6. Step 6: Final answer
    x = 43,629.53

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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.