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Finding the Fourth Proportional to 92,892.68, 139,336.59 and 32,920.28

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Solution

The fourth proportional to 92,892.68, 139,336.59 and 32,920.28 is: 49,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,892.68 : 139,336.59 = 32,920.28 : x
  2. Step 2: Convert to fraction form
    92,892.68/139,336.59 = 32,920.28/x
  3. Step 3: Cross multiply
    92,892.68x = 139,336.59 × 32,920.28
  4. Step 4: Simplify right side
    92,892.68x = 4,586,999,557.05
  5. Step 5: Solve for x
    x = 4,586,999,557.05/92,892.68
  6. Step 6: Final answer
    x = 49,379.56

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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.