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Finding the Fourth Proportional to 94,129.62, 140,841.51 and 56,039.56

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Solution

The fourth proportional to 94,129.62, 140,841.51 and 56,039.56 is: 83,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,129.62 : 140,841.51 = 56,039.56 : x
  2. Step 2: Convert to fraction form
    94,129.62/140,841.51 = 56,039.56/x
  3. Step 3: Cross multiply
    94,129.62x = 140,841.51 × 56,039.56
  4. Step 4: Simplify right side
    94,129.62x = 7,892,696,250.14
  5. Step 5: Solve for x
    x = 7,892,696,250.14/94,129.62
  6. Step 6: Final answer
    x = 83,849.23

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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.