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Finding the Fourth Proportional to 245,233.88, 367,652.40 and 76,667.48

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Solution

The fourth proportional to 245,233.88, 367,652.40 and 76,667.48 is: 114,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,233.88 : 367,652.40 = 76,667.48 : x
  2. Step 2: Convert to fraction form
    245,233.88/367,652.40 = 76,667.48/x
  3. Step 3: Cross multiply
    245,233.88x = 367,652.40 × 76,667.48
  4. Step 4: Simplify right side
    245,233.88x = 28,186,983,023.95
  5. Step 5: Solve for x
    x = 28,186,983,023.95/245,233.88
  6. Step 6: Final answer
    x = 114,939.19

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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.