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Finding the Fourth Proportional to 362,248.72, 543,401.88 and 112,932.88

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Solution

The fourth proportional to 362,248.72, 543,401.88 and 112,932.88 is: 169,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,248.72 : 543,401.88 = 112,932.88 : x
  2. Step 2: Convert to fraction form
    362,248.72/543,401.88 = 112,932.88/x
  3. Step 3: Cross multiply
    362,248.72x = 543,401.88 × 112,932.88
  4. Step 4: Simplify right side
    362,248.72x = 61,367,939,305.81
  5. Step 5: Solve for x
    x = 61,367,939,305.81/362,248.72
  6. Step 6: Final answer
    x = 169,408.30

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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.