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Finding the Fourth Proportional to 89,088.77, 122,942.51 and 48,803.97

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Solution

The fourth proportional to 89,088.77, 122,942.51 and 48,803.97 is: 67,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,088.77 : 122,942.51 = 48,803.97 : x
  2. Step 2: Convert to fraction form
    89,088.77/122,942.51 = 48,803.97/x
  3. Step 3: Cross multiply
    89,088.77x = 122,942.51 × 48,803.97
  4. Step 4: Simplify right side
    89,088.77x = 6,000,082,325.74
  5. Step 5: Solve for x
    x = 6,000,082,325.74/89,088.77
  6. Step 6: Final answer
    x = 67,349.48

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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.