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Finding the Fourth Proportional to 92,601.84, 138,815.16 and 33,421.68

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Solution

The fourth proportional to 92,601.84, 138,815.16 and 33,421.68 is: 50,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,601.84 : 138,815.16 = 33,421.68 : x
  2. Step 2: Convert to fraction form
    92,601.84/138,815.16 = 33,421.68/x
  3. Step 3: Cross multiply
    92,601.84x = 138,815.16 × 33,421.68
  4. Step 4: Simplify right side
    92,601.84x = 4,639,435,856.67
  5. Step 5: Solve for x
    x = 4,639,435,856.67/92,601.84
  6. Step 6: Final answer
    x = 50,100.90

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1.5x scale

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.