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Finding the Fourth Proportional to 245,233.71, 367,857.51 and 67,740.75

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Solution

The fourth proportional to 245,233.71, 367,857.51 and 67,740.75 is: 101,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,233.71 : 367,857.51 = 67,740.75 : x
  2. Step 2: Convert to fraction form
    245,233.71/367,857.51 = 67,740.75/x
  3. Step 3: Cross multiply
    245,233.71x = 367,857.51 × 67,740.75
  4. Step 4: Simplify right side
    245,233.71x = 24,918,943,620.53
  5. Step 5: Solve for x
    x = 24,918,943,620.53/245,233.71
  6. Step 6: Final answer
    x = 101,613.04

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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.