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Finding the Fourth Proportional to 135,776.90, 203,583.54 and 60,883.50

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Solution

The fourth proportional to 135,776.90, 203,583.54 and 60,883.50 is: 91,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,776.90 : 203,583.54 = 60,883.50 : x
  2. Step 2: Convert to fraction form
    135,776.90/203,583.54 = 60,883.50/x
  3. Step 3: Cross multiply
    135,776.90x = 203,583.54 × 60,883.50
  4. Step 4: Simplify right side
    135,776.90x = 12,394,878,457.59
  5. Step 5: Solve for x
    x = 12,394,878,457.59/135,776.90
  6. Step 6: Final answer
    x = 91,288.57

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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.