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Finding the Fourth Proportional to 92,832.42, 139,248.32 and 33,668

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Solution

The fourth proportional to 92,832.42, 139,248.32 and 33,668 is: 50,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,832.42 : 139,248.32 = 33,668 : x
  2. Step 2: Convert to fraction form
    92,832.42/139,248.32 = 33,668/x
  3. Step 3: Cross multiply
    92,832.42x = 139,248.32 × 33,668
  4. Step 4: Simplify right side
    92,832.42x = 4,688,212,437.76
  5. Step 5: Solve for x
    x = 4,688,212,437.76/92,832.42
  6. Step 6: Final answer
    x = 50,501.89

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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.