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Finding the Fourth Proportional to 349,246.92, 523,855.81 and 99,928.92

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Solution

The fourth proportional to 349,246.92, 523,855.81 and 99,928.92 is: 149,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,246.92 : 523,855.81 = 99,928.92 : x
  2. Step 2: Convert to fraction form
    349,246.92/523,855.81 = 99,928.92/x
  3. Step 3: Cross multiply
    349,246.92x = 523,855.81 × 99,928.92
  4. Step 4: Simplify right side
    349,246.92x = 52,348,346,856.30
  5. Step 5: Solve for x
    x = 52,348,346,856.30/349,246.92
  6. Step 6: Final answer
    x = 149,889.21

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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.