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Finding the Fourth Proportional to 83,225.87, 114,819.42 and 53,005.77

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Solution

The fourth proportional to 83,225.87, 114,819.42 and 53,005.77 is: 73,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,225.87 : 114,819.42 = 53,005.77 : x
  2. Step 2: Convert to fraction form
    83,225.87/114,819.42 = 53,005.77/x
  3. Step 3: Cross multiply
    83,225.87x = 114,819.42 × 53,005.77
  4. Step 4: Simplify right side
    83,225.87x = 6,086,091,768.05
  5. Step 5: Solve for x
    x = 6,086,091,768.05/83,225.87
  6. Step 6: Final answer
    x = 73,127.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.