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Finding the Fourth Proportional to 74,544.66, 102,873.51 and 42,723.90

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Solution

The fourth proportional to 74,544.66, 102,873.51 and 42,723.90 is: 58,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,544.66 : 102,873.51 = 42,723.90 : x
  2. Step 2: Convert to fraction form
    74,544.66/102,873.51 = 42,723.90/x
  3. Step 3: Cross multiply
    74,544.66x = 102,873.51 × 42,723.90
  4. Step 4: Simplify right side
    74,544.66x = 4,395,157,553.89
  5. Step 5: Solve for x
    x = 4,395,157,553.89/74,544.66
  6. Step 6: Final answer
    x = 58,960.06

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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.