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Finding the Fourth Proportional to 362,049.89, 543,078.81 and 109,332.52

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Solution

The fourth proportional to 362,049.89, 543,078.81 and 109,332.52 is: 163,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,049.89 : 543,078.81 = 109,332.52 : x
  2. Step 2: Convert to fraction form
    362,049.89/543,078.81 = 109,332.52/x
  3. Step 3: Cross multiply
    362,049.89x = 543,078.81 × 109,332.52
  4. Step 4: Simplify right side
    362,049.89x = 59,376,173,498.20
  5. Step 5: Solve for x
    x = 59,376,173,498.20/362,049.89
  6. Step 6: Final answer
    x = 163,999.98

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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.