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Finding the Fourth Proportional to 89,082.91, 122,927.74 and 50,841.39

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Solution

The fourth proportional to 89,082.91, 122,927.74 and 50,841.39 is: 70,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.91 : 122,927.74 = 50,841.39 : x
  2. Step 2: Convert to fraction form
    89,082.91/122,927.74 = 50,841.39/x
  3. Step 3: Cross multiply
    89,082.91x = 122,927.74 × 50,841.39
  4. Step 4: Simplify right side
    89,082.91x = 6,249,817,171.16
  5. Step 5: Solve for x
    x = 6,249,817,171.16/89,082.91
  6. Step 6: Final answer
    x = 70,157.31

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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.