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Finding the Fourth Proportional to 117,751.60, 176,627.90 and 36,699.66

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Solution

The fourth proportional to 117,751.60, 176,627.90 and 36,699.66 is: 55,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,751.60 : 176,627.90 = 36,699.66 : x
  2. Step 2: Convert to fraction form
    117,751.60/176,627.90 = 36,699.66/x
  3. Step 3: Cross multiply
    117,751.60x = 176,627.90 × 36,699.66
  4. Step 4: Simplify right side
    117,751.60x = 6,482,183,876.51
  5. Step 5: Solve for x
    x = 6,482,183,876.51/117,751.60
  6. Step 6: Final answer
    x = 55,049.65

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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.