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Finding the Fourth Proportional to 116,654.70, 174,981.90 and 36,699.73

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Solution

The fourth proportional to 116,654.70, 174,981.90 and 36,699.73 is: 55,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,654.70 : 174,981.90 = 36,699.73 : x
  2. Step 2: Convert to fraction form
    116,654.70/174,981.90 = 36,699.73/x
  3. Step 3: Cross multiply
    116,654.70x = 174,981.90 × 36,699.73
  4. Step 4: Simplify right side
    116,654.70x = 6,421,788,484.89
  5. Step 5: Solve for x
    x = 6,421,788,484.89/116,654.70
  6. Step 6: Final answer
    x = 55,049.55

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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.