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Finding the Fourth Proportional to 103,314.29, 154,968.39 and 43,374.69

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Solution

The fourth proportional to 103,314.29, 154,968.39 and 43,374.69 is: 65,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,314.29 : 154,968.39 = 43,374.69 : x
  2. Step 2: Convert to fraction form
    103,314.29/154,968.39 = 43,374.69/x
  3. Step 3: Cross multiply
    103,314.29x = 154,968.39 × 43,374.69
  4. Step 4: Simplify right side
    103,314.29x = 6,721,705,876.05
  5. Step 5: Solve for x
    x = 6,721,705,876.05/103,314.29
  6. Step 6: Final answer
    x = 65,060.76

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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.