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Finding the Fourth Proportional to 245,388.96, 368,082.95 and 67,895.46

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Solution

The fourth proportional to 245,388.96, 368,082.95 and 67,895.46 is: 101,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,388.96 : 368,082.95 = 67,895.46 : x
  2. Step 2: Convert to fraction form
    245,388.96/368,082.95 = 67,895.46/x
  3. Step 3: Cross multiply
    245,388.96x = 368,082.95 × 67,895.46
  4. Step 4: Simplify right side
    245,388.96x = 24,991,160,868.93
  5. Step 5: Solve for x
    x = 24,991,160,868.93/245,388.96
  6. Step 6: Final answer
    x = 101,843.05

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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.