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Finding the Fourth Proportional to 123,773.11, 185,493.35 and 67,528.94

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Solution

The fourth proportional to 123,773.11, 185,493.35 and 67,528.94 is: 101,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,773.11 : 185,493.35 = 67,528.94 : x
  2. Step 2: Convert to fraction form
    123,773.11/185,493.35 = 67,528.94/x
  3. Step 3: Cross multiply
    123,773.11x = 185,493.35 × 67,528.94
  4. Step 4: Simplify right side
    123,773.11x = 12,526,168,543.90
  5. Step 5: Solve for x
    x = 12,526,168,543.90/123,773.11
  6. Step 6: Final answer
    x = 101,202.67

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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.