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Finding the Fourth Proportional to 149,248.44, 223,950.42 and 66,123

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Solution

The fourth proportional to 149,248.44, 223,950.42 and 66,123 is: 99,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,248.44 : 223,950.42 = 66,123 : x
  2. Step 2: Convert to fraction form
    149,248.44/223,950.42 = 66,123/x
  3. Step 3: Cross multiply
    149,248.44x = 223,950.42 × 66,123
  4. Step 4: Simplify right side
    149,248.44x = 14,808,273,621.66
  5. Step 5: Solve for x
    x = 14,808,273,621.66/149,248.44
  6. Step 6: Final answer
    x = 99,218.95

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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.