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Finding the Fourth Proportional to 66,534.55, 99,801.83 and 60,410.95

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Solution

The fourth proportional to 66,534.55, 99,801.83 and 60,410.95 is: 90,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534.55 : 99,801.83 = 60,410.95 : x
  2. Step 2: Convert to fraction form
    66,534.55/99,801.83 = 60,410.95/x
  3. Step 3: Cross multiply
    66,534.55x = 99,801.83 × 60,410.95
  4. Step 4: Simplify right side
    66,534.55x = 6,029,123,059.98
  5. Step 5: Solve for x
    x = 6,029,123,059.98/66,534.55
  6. Step 6: Final answer
    x = 90,616.43

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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.