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Finding the Fourth Proportional to 112,416.46, 168,624.66 and 33,586

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Solution

The fourth proportional to 112,416.46, 168,624.66 and 33,586 is: 50,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,416.46 : 168,624.66 = 33,586 : x
  2. Step 2: Convert to fraction form
    112,416.46/168,624.66 = 33,586/x
  3. Step 3: Cross multiply
    112,416.46x = 168,624.66 × 33,586
  4. Step 4: Simplify right side
    112,416.46x = 5,663,427,830.76
  5. Step 5: Solve for x
    x = 5,663,427,830.76/112,416.46
  6. Step 6: Final answer
    x = 50,378.99

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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.