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Finding the Fourth Proportional to 89,773.68, 134,666.04 and 37,187.28

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Solution

The fourth proportional to 89,773.68, 134,666.04 and 37,187.28 is: 55,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,773.68 : 134,666.04 = 37,187.28 : x
  2. Step 2: Convert to fraction form
    89,773.68/134,666.04 = 37,187.28/x
  3. Step 3: Cross multiply
    89,773.68x = 134,666.04 × 37,187.28
  4. Step 4: Simplify right side
    89,773.68x = 5,007,863,735.97
  5. Step 5: Solve for x
    x = 5,007,863,735.97/89,773.68
  6. Step 6: Final answer
    x = 55,783.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.