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Finding the Fourth Proportional to 97,622.76, 134,719.02 and 54,602.31

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Solution

The fourth proportional to 97,622.76, 134,719.02 and 54,602.31 is: 75,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,622.76 : 134,719.02 = 54,602.31 : x
  2. Step 2: Convert to fraction form
    97,622.76/134,719.02 = 54,602.31/x
  3. Step 3: Cross multiply
    97,622.76x = 134,719.02 × 54,602.31
  4. Step 4: Simplify right side
    97,622.76x = 7,355,969,692.94
  5. Step 5: Solve for x
    x = 7,355,969,692.94/97,622.76
  6. Step 6: Final answer
    x = 75,350.97

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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.