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Finding the Fourth Proportional to 90,894.72, 136,348.92 and 24,333.38

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Solution

The fourth proportional to 90,894.72, 136,348.92 and 24,333.38 is: 36,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,894.72 : 136,348.92 = 24,333.38 : x
  2. Step 2: Convert to fraction form
    90,894.72/136,348.92 = 24,333.38/x
  3. Step 3: Cross multiply
    90,894.72x = 136,348.92 × 24,333.38
  4. Step 4: Simplify right side
    90,894.72x = 3,317,829,401.21
  5. Step 5: Solve for x
    x = 3,317,829,401.21/90,894.72
  6. Step 6: Final answer
    x = 36,501.89

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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.