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Finding the Fourth Proportional to 89,056.87, 122,898.87 and 48,770.91

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Solution

The fourth proportional to 89,056.87, 122,898.87 and 48,770.91 is: 67,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,056.87 : 122,898.87 = 48,770.91 : x
  2. Step 2: Convert to fraction form
    89,056.87/122,898.87 = 48,770.91/x
  3. Step 3: Cross multiply
    89,056.87x = 122,898.87 × 48,770.91
  4. Step 4: Simplify right side
    89,056.87x = 5,993,889,727.87
  5. Step 5: Solve for x
    x = 5,993,889,727.87/89,056.87
  6. Step 6: Final answer
    x = 67,304.07

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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.