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Finding the Fourth Proportional to 372,343.92, 558,433.08 and 106,099.44

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Solution

The fourth proportional to 372,343.92, 558,433.08 and 106,099.44 is: 159,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,343.92 : 558,433.08 = 106,099.44 : x
  2. Step 2: Convert to fraction form
    372,343.92/558,433.08 = 106,099.44/x
  3. Step 3: Cross multiply
    372,343.92x = 558,433.08 × 106,099.44
  4. Step 4: Simplify right side
    372,343.92x = 59,249,437,065.48
  5. Step 5: Solve for x
    x = 59,249,437,065.48/372,343.92
  6. Step 6: Final answer
    x = 159,125.57

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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.