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Finding the Fourth Proportional to 92,908.69, 139,383.80 and 29,732.60

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Solution

The fourth proportional to 92,908.69, 139,383.80 and 29,732.60 is: 44,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.69 : 139,383.80 = 29,732.60 : x
  2. Step 2: Convert to fraction form
    92,908.69/139,383.80 = 29,732.60/x
  3. Step 3: Cross multiply
    92,908.69x = 139,383.80 × 29,732.60
  4. Step 4: Simplify right side
    92,908.69x = 4,144,243,194.67
  5. Step 5: Solve for x
    x = 4,144,243,194.67/92,908.69
  6. Step 6: Final answer
    x = 44,605.55

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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.