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Finding the Fourth Proportional to 92,242.86, 138,383.73 and 29,908.50

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Solution

The fourth proportional to 92,242.86, 138,383.73 and 29,908.50 is: 44,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,242.86 : 138,383.73 = 29,908.50 : x
  2. Step 2: Convert to fraction form
    92,242.86/138,383.73 = 29,908.50/x
  3. Step 3: Cross multiply
    92,242.86x = 138,383.73 × 29,908.50
  4. Step 4: Simplify right side
    92,242.86x = 4,138,849,788.71
  5. Step 5: Solve for x
    x = 4,138,849,788.71/92,242.86
  6. Step 6: Final answer
    x = 44,869.05

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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.