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Finding the Fourth Proportional to 245,010.61, 367,528.47 and 67,513.69

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Solution

The fourth proportional to 245,010.61, 367,528.47 and 67,513.69 is: 101,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,010.61 : 367,528.47 = 67,513.69 : x
  2. Step 2: Convert to fraction form
    245,010.61/367,528.47 = 67,513.69/x
  3. Step 3: Cross multiply
    245,010.61x = 367,528.47 × 67,513.69
  4. Step 4: Simplify right side
    245,010.61x = 24,813,203,189.75
  5. Step 5: Solve for x
    x = 24,813,203,189.75/245,010.61
  6. Step 6: Final answer
    x = 101,273.99

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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.