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Finding the Fourth Proportional to 253,949.72, 380,950.10 and 94,068.68

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Solution

The fourth proportional to 253,949.72, 380,950.10 and 94,068.68 is: 141,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,949.72 : 380,950.10 = 94,068.68 : x
  2. Step 2: Convert to fraction form
    253,949.72/380,950.10 = 94,068.68/x
  3. Step 3: Cross multiply
    253,949.72x = 380,950.10 × 94,068.68
  4. Step 4: Simplify right side
    253,949.72x = 35,835,473,052.87
  5. Step 5: Solve for x
    x = 35,835,473,052.87/253,949.72
  6. Step 6: Final answer
    x = 141,112.47

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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.