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Finding the Fourth Proportional to 89,090.13, 122,944.52 and 48,803.01

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Solution

The fourth proportional to 89,090.13, 122,944.52 and 48,803.01 is: 67,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090.13 : 122,944.52 = 48,803.01 : x
  2. Step 2: Convert to fraction form
    89,090.13/122,944.52 = 48,803.01/x
  3. Step 3: Cross multiply
    89,090.13x = 122,944.52 × 48,803.01
  4. Step 4: Simplify right side
    89,090.13x = 6,000,062,761.01
  5. Step 5: Solve for x
    x = 6,000,062,761.01/89,090.13
  6. Step 6: Final answer
    x = 67,348.23

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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.