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Finding the Fourth Proportional to 73,266.40, 109,899.60 and 55,551.70

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Solution

The fourth proportional to 73,266.40, 109,899.60 and 55,551.70 is: 83,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,266.40 : 109,899.60 = 55,551.70 : x
  2. Step 2: Convert to fraction form
    73,266.40/109,899.60 = 55,551.70/x
  3. Step 3: Cross multiply
    73,266.40x = 109,899.60 × 55,551.70
  4. Step 4: Simplify right side
    73,266.40x = 6,105,109,609.32
  5. Step 5: Solve for x
    x = 6,105,109,609.32/73,266.40
  6. Step 6: Final answer
    x = 83,327.55

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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.